ODONATA LITERATURE – Compiled by Dennis Paulson – Authors from T – U – V – W – X – Y - Z

Posted 6 February 2002

Eventually these references will be added to Roy Beckemeyer’s Odonata Bibliography into appropriate subject indexes.

T

Tai, L. C. C. 1967. Biosystematic study of Sympetrum (Odonata: Libellulidae). Diss. Abstr. 28B: 728.

Takamura, K. 1996. Life cycle of the damselfly Calopteryx atrata in relation to pesticide contamination. Ecotoxicology 5(1): 1-8.

Tannert, W. 1961. Die Flügelgelenkung der Odonata, ein Beispiel phylogenetischer Entwicklungstendenzen. Verh. XI. Int. Kongr. Ent. Wien 1: 328-332.

Taylor, P. D., and G. Merriam. 1996. Habitat fragmentation and parasitism of a forest damselfly. Landscape Ecology 11: 181-189.

Telford, S. R., M. Barnett, and D. A. Polakow. 1996. The functional significance of tibial displays in the damselfly Platycypha caligata (Selys) (Odonata: Chlorocyphidae). J. Insect Behavior 9: 835-839.

Tennessen, K. J. 1977. Rediscovery of Epitheca costalis (Odonata: Corduliidae). Ann. Ent. Soc. Am. 70: 267-273.

Tennessen, K. J. 1979. New records of Odonata for Alabama and Tennessee, with significant range extensions for several species. Ent. News 90: 118-120.

Tennessen, K. J. 1982. Review of reproductive isolating barriers in Odonata. Adv. Odonatol. 1: 251-265.

Tennessen, K. J. 1983. A new species of Gomphus from Tennessee (Odonata: Gomphidae). Ann. Ent. Soc. Am. 76: 743-746.

Tennessen, K. J. 1997. The rate of species descriptions in Odonata. Entomological News 108 (2) : 122-126.

Tennessen, K. J. 2000. Micrathyria sympriona spec. nov., a new dragonfly from Ecuador and Peru (Anisoptera: Libellulidae). Odonatologica 29: 67-73.

Tennessen, K. J., J. D. Harper, & R. S. Krotzer. 1995. The distribution of Odonata in Alabama. Bulletin of American Odonatology 3: 49-74.

Tennessen, K. J., and S. A. Murray. 1978. Diel periodicity in hatching of Epitheca cynosura (Say) eggs (Anisoptera: Corduliidae). Odonatologica 7: 59-65.

Testard, P. 1972. Observations sur l'activité reproductrice d'une population tardire de Sympetrum striolatum Charpentier dans le sud de l'Espagne (Odon. Lib.). Bull. Soc. Ent. France 77: 118-122.

Theischinger, G. 1996. The species of Lestoideinae Munz (Insecta: Odonata: Zygoptera: Lestoideidae). Linzer biol. Beitr. 28(1): 315-324.

Theischinger, G. 1996. The species of Austrophlebia Tillyard (Odonata: Anisoptera: Aeshnidae: Brachytroninae). Linzer biol. Beitr. 28(1): 305-314 .

Theischinger, G. 1999. A new species of Petalura Leach from south-eastern Queensland (Odonata: Petaluridae). Linzer biol. Beitr. 31(1); 159-166.

Theischinger, G. 1999. New and little-known Synthemistidae from Australia (Insecta: Odonata). Linzer biol. Beitr. 31(1): 373-379.

Theischinger, G. 2000. The Acanthaeschna story (Odonata: Aeshnoidea). Linzer biol. Beitr. 32: 235-240.

Theischinger, G. 2000. The male of Eusynthemis tenera Theischinger (Odonata: Synthemistidae). Linzer biol. Beitr. 32: 241-245.

Theischinger, G. 2000. A new species of Pseudagrion Selys from Australia (Odonata: Coenagrionidae). Linzer biol. Beitr. 32: 253-257.

Theischinger, G. 2000. The larva of Synthemiopsis gomphomacromioides Tillyard (Odonata: Synthemistidae). Linzer biol. Beitr. 32: 259-263.

Thompson, D. J. 1978. Prey size selection in larvae of the damselfly, Ischnura elegans. J. Anim. Ecol. 47: 769-785.

Tiensuu, L. 1935. Über die Lebensweise und proportionale Anzahl der verschiedenen Geschlechter einiger Odonaten. Ann. Zool. Soc. Zool.-Bot. Vanamo 3: 1-17.

Tillyard, R. J. 1913. Study of the Odonata of Tasmania in relation to the Bassian Isthmus. Proc. Linn. Soc. N. S. Wales 38: 765-778.

Tillyard, R. J. 1916. Further observations on the emergence of dragonfly-larvae from the egg, with special reference to the problem of respiration. Proc. Linn. Soc. N. S. Wales 41: 388-416.

Tillyard, R. J. 1917. The biology of dragonflies. Cambridge Univ. Press, London.

Tillyard, R. J. 1921. On an anisozygopterous larva from the Himalayas (order Odonata). Rec. Indian Mus. 22: 93-107.

Tillyard, R. J. 1921. Description of a new dragon-fly belonging to the genus Uropetala Selys. Trans. N. Z. Inst. 53: 343-346.

Tillyard, R. J. 1922. New researches upon the problem of the wing-venation of Odonata. 1.—A study of the tracheation of the larval wings in the genus Uropetala from New Zealand. Ent. News 33: 1-7, 45-51.

Tillyard, R. J. 1923. Tarsophlebiopsis mayi n. g. et n. sp., a dragon-fly found in the body-chamber of a Corallian ammonite. Geol. Mag. 60: 146-152.

Tillyard, R. J. 1923. The dragonflies (order Odonata) of Fiji, with special reference to a collection made by Mr. H. W. Simmonds, F. E. S., on the island of Viti Levu. Trans. Ent. Soc. London 71: 305-346.

Tillyard, R. J. 1925. Odonata, Neuroptera, and Trichoptera from Groote Eylandt, Gulf of Carpentaria. Rec. S. Austral. Mus. 3: 41-44.

Tillyard, R. J. 1925. Kansas Permian insects. Part V. The orders Protodonata and Odonata. Am. J. Sci. 10: 41-73.

Tillyard, R. J. 1926. Kansas Permian insects. Part 6. Additions to the orders Protohymenoptera and Odonata. Am. J. Sci. 11: 58-73.

Tillyard, R. J. 1926. On a collection of Papuan dragonflies (Odonata) made by the late Mr. Allan R. McCulloch in 1922-3, with descriptions of new species. Rec. Austral. Mus. 15: 157-166.

Tillyard, R. J. 1928. A Permian fossil damselfly wing from the Falkland Islands. Trans. Ent. Soc. London 76: 55-63.

Tillyard, R. J., and F. C. Fraser. 1939. A reclassification of the order Odonata. Based on some new interpretations of the venation of the dragonfly wing. Part II. Austral. Zool. 9: 195-221.

Tillyard, R. J., and F. C. Fraser. 1940. A reclassification of the order Odonata. Based on some new interpretations of the venation of the dragonfly wing. Part III. Austral. Zool. 9: 359-396.

Tough, J. 1900. A new species of Gomphus. Occ. Mem. Chicago Ent. Soc. 1: 17-18.

Trottier, R. 1966. The emergence and sex ratio of Anax junius Drury (Odonata: Aeshnidae) in Canada. Can. Ent. 98: 794-798.

Trottier, R. 1969. A comparative study of the morphology of some Sympetrum larvae (Odonata: Libellulidae) from eastern Canada. Can. J. Zool. 47: 457-460.

Trottier, R. 1971. Effect of temperature on the life-cycle of Anax junius (Odonata: Aeshnidae) in Canada. Can. Ent. 103: 1671-1683.

Trottier, R. 1973. A controlled temperature and humidity cabinet for recording the emergence behaviour of aquatic insects. Can. Ent. 105: 971-974.

Trottier, R. 1973. Influence of temperature and humidity on the emergence behaviour of Anax junius (Odonata: Aeshnidae). Can. Ent. 105: 975-984.

Trueman, J. W. H. 1996. A preliminary cladistic analysis of odonate wing venation. Odonatologica 25: 59-72.

Tsuda, S. 1991. A distributional list of World Odonata. Published by author, Osaka.

Turner, P. E., Jr. 1967. Sex and age ratios in a natural population of Sympetrum danae (Sulzer) (Odonata: Libellulidae). Pan-Pac. Ent. 43: 15-18.

Turner, P. E., Jr. 1967. Odonata of the Galapagos Islands (Odonata). Pan-Pac. Ent. 43: 285-291.

U

Ubukata, H. 1974. Relative abundance and phenology of adult dragonflies at a dystrophic pond in Usubetsu, near Sapporo. J. Fac. Sci. Hokkaido Univ., Ser. VI, Zool., 19: 758-776.

Ubukata, H. 1973. Life history and behavior of a corduliid dragonfly, Cordulia aenea amurensis Selys. I. Emergence and pre-reproductive periods. J. Fac. Sci. Hokkaido Univ., Ser. VI, Zool., 19: 251-269.

Ubukata, H. 1975. Life history and behavior of a corduliid dragonfly, Cordulia aenea amurensis Selys. II. Reproductive period with special reference to territoriality. J. Fac. Sci. Hokkaido Univ., Ser. VI, Zool., 19: 812-833.

Ubukata, H. 1980. Life history and behavior of a corduliid dragonfly, Cordulia aenea amurensis Selys. III. Aquatic period, with special reference to larval growth. Kontyu 48: 414-427.

Ubukata, H. 1983. An experimental study of sex recognition in Cordulia aenea amurensis Selys (Anisoptera: Corduliidae). Odonatologica 12: 71-81.

Ueda, T. 1978. Geographic variation in the life cycle of Lestes sponsa. Tombo 21: 27-33.

Ueda, T. 1979. Plasticity of the reproductive behavior in a dragonfly, Sympetrum parvulum Barteneff, with reference to the social relationship of males and the density of territories. Res. Popul. Ecol. 21: 135-152.

Ueda, T., and M. Iwasaki. 1982. Changes in the survivorship, distribution and movement pattern during the adult life of a damselfly, Lestes temporalis (Zygoptera: Odonata). Adv. in Odonatol. 1: 281-291.

Uhler, P. R. 1857. Contributions to the neuropterology of the United States. (Libellula). Proc. Acad. nat. Sci. Philad. 9: 87-88.

Utzeri, C. 1989. Tactile communication through the tandem link in the Odonata and the problem of tandem oviposition in Sympetrum (Libellulidae). Opusc. Zool. Flumin. 35: 1-6.

Utzeri, C., L. Dell’Anna, F. Landi, E. De Matthaeis, and M. Cobolli. 1994. Nota preliminare sulla distribuzione di Chalcolestes viridis (Vander Linden, 1825) e C. parvidens (Artobolevski, 1929) in Italia (Zygoptera: Lestidae). Notul. Odonatol. 4(3): 46-50.

Utzeri, C., E. Falchetti, and G. Carchini. 1976. Alcuni aspetti etologici della ovideposizione di Lestes barbarus (Fabricius) presso pozze temporanee (Zygoptera: Lestidae). Odonatologica 5: 175-179.

Utzeri, C., and G. Gianandrea. 1989. Perching in the shade: a thermoregulatory behaviour in some dispersed aeshnid dragonflies? (Odonata: Aeshnidae). Opusc. Zool. Flumin. 35: 7-8.

V

Valle, K. J. 1955. Odonata from Newfoundland. Ann. Ent. Fenn. 21: 57-60.

Van Buskirk, J. 1986. Establishment and organization of territories in the dragonfly Sympetrum rubicundulum (Odonata: Libellulidae). Anim. Behav. 34: 1781-1790.

van Emden, F. I. 1957. The taxonomic significance of the characters of immature insects. Ann. Rev. Ent. 2: 91-106.

Van Noordwijk, M. 1978. A mark-recapture study of coexisting zygopteran populations. Odonatologica 7: 353-374.

Vaurie, P. 1952. Insect collecting in the Bimini Island group, Bahama Islands. Am. Mus. Novit. No. 1565: 1-24.

Veron, J. 1973. Age determination in adult Odonata. Odonatologica 2: 21-28.

Veron, J. E. N. 1974. The role of physiological colour change in the thermoregulation of Austrolestes annulosus. Australian J. Zool. 22:257-69.

Vick, G. S. 1989. List of the dragonflies reported from Nepal, with a summary of their altitudinal distribution (Odonata). Opusc. Zool. Flumin. 43: 1-21.

Vick, G. S. 1996. Umma mesumbei spec. nov., with records of some other dragonfly species from the South-West Province of Cameroon (Zygoptera: Calopterygidae). Odonatologica 25: 167-178.

Vick, G. S. 1998. Notes on some damselfly larvae from Cameroon (Zygoptera: Perilestidae, Amphipterygidae, Platycnemididae). Odonatologica 27: 87-98.

Vick, G. S. 1999. A checklist of the Odonata of the south-west province of Cameroon, with the description of Phyllogomphus corbetae spec. nov. (Anisoptera: Gomphidae). Odonatologica 28: 219-256.

von Ellenrieder, N. 2000. Species composition and temporal variation of odonate assemblages in the subtropical pampasic ecotone, Buenos Aires, Argentina. Odonatologica 29: 17-30.

von Ellenrieder, N. 2000. Aeshna tinti spec. nov. from Chile and redescription of A. elsia Calvert (Anisoptera: Aeshnidae). Odonatologica 29: 347-358.

von Ellenrieder, N., and J. Muzón. 1999. The Argentinean species of the genus Perithemis Hagen (Anisoptera: Libellulidae). Odonatologica 28: 385-398.

von Ellenrieder, N., and J. Muzón. 2000. Description of the last instar larva of Erythrodiplax nigricans (Rambur) (Anisoptera: Libellulidae). Odonatologica 29: 267-272.

Voshell, J. R., Jr., and G. M. Simmons, Jr. 1978. The Odonata of a new reservoir in the southeastern United States. Odonatologica 7: 67-76.

W

Waage, J. K. 1972. Longevity and mobility of adult Calopteryx maculata (Beauvois, 1805) (Zygoptera: Calopterygidae). Odonatologica 1: 155-162.

Waage, J. K. 1975. Reproductive isolation and the potential for character displacement in the damselflies, Calopteryx maculata and C. aequabilis. Syst. Zool. 24: 24-36.

Waage, J. K. 1978. Oviposition duration and egg deposition rates in Calopteryx maculata (P. de Beauvois) (Zygoptera: Calopterygidae). Odonatologica 7: 77-88.

Waage, J. K. 1979. Dual function of the damselfly penis: sperm removal and transfer. Science 203: 916-918.

Waage, J. K. 1979. Reproductive character displacement in Calopteryx. Evolution 33: 104-116.

Waage, J. K. 1979. Adaptive significance of postcopulatory guarding of mates and nonmates by male Calopteryx maculata (Odonata). Behav. Ecol. Sociobiol. 6: 147-154.

Waage, J. K. 1980. Adult sex ratios and female reproductive potential in Calopteryx (Zygoptera: Calopterygidae). Odonatologica 9: 217-230.

Waage, J. K. 1984. Female and male interactions during courtship in Calopteryx maculata and C. dimidiata (Odonata: Calopterygidae): influence of oviposition behaviour. Anim. Behav. 32: 400-404.

Waage, J. K. 1987. Choice and utilization of oviposition sites by female Calopteryx maculata (Odonata: Calopterygidae). Behav. Ecol. Sociobiol. 20: 439-446.

Waage, J. K. 1988. Confusion over residency and the escalation of damselfly territorial disputes. Anim. Behav. 36: 586-595.

Waage, J. K. 1988. Reproductive behavior of the damselfly Calopteryx dimidiata Burmeister (Zygoptera: Calopterygidae). Odonatologica 17: 365-378.

Wagner, T., C. Neinhuis, and W. Barthlott. 1996. Wettability and contaminability of insect wings as a function of their surface sculptures. Acta Zoologica (Stockholm) 77: 213-225.

Wakana, I. 1959. On the swarm and the migratory flight of Pantala flavescens, an observation in Kawagoe area. Tombo 1: 26-30. (Japanese, with English summary).

Wakeling, J. M., and C. P. Ellington. 1997. Dragonfly flight, gliding flight and steady state aerodynamic forces. J. Exp. Biol. 200: 543-556.

Wakeling, J. M., and C. P. Ellington. 1997. Dragonfly flight velocities, accelerations and kinematics of flapping flight. J. Exp. Biol. 200: 557-582.

Wakeling, J. M., and C. P. Ellington. 1997. Dragonfly lift and power requirements. J. Exp. Biol. 200: 583-600.

Walker, E. M. 19••. Aeshna umbrosa umbrosa Walk. in Newfoundland. Canad. Ent. •: 386.

Walker, E. M. 1906. A first list of Ontario Odonata. Can. Eng. 38: 105-110, 149-154.

Walker, E. M. 1907. A new Somatochlora, with a note on the species known from Ontario. Canad. Ent. 39: 69-74.

Walker, E. M. 1908. A key to the North American species of Aeshna found north of Mexico. Canad. Ent. 40: 377-391.

Walker, E. M. 1908. The dragonflies (Odonata) of the Ottawa District. Ottawa Nat. 22: 1-27.

Walker, E. M. 1912. The Odonata of the Prairie Provinces of Canada. Canad. Ent. 44: 253-266.

Walker, E. M. 1912. The North American dragonflies of the genus Aeshna. Univ. Toronto Stud., Biol. Ser., No. 11: 1-213.

Walker, E. M. 1913. New nymphs of Canadian Odonata. Canad. Ent. 45: 161-170.

Walker, E. M. 1914. The known nymphs of the Canadian species of Lestes (Odonata). Canad. Ent. 46: 189-200, Pl. 13-14.

Walker, E. M. 1914. New and little-known nymphs of Canadian Odonata. Canad. Ent. 46: 349-357, 369-377, Pl. 23, 25.

Walker, E. M. 1915. Notes on Staurophlebia reticulata Burm. Canad. Ent. 47: 387-395.

Walker, E. M. 1916. The nymphs of Enallagma cyathigerum and E. calverti. Canad. Ent. 48: 192-196.

Walker, E. M. 1916. Popular and practical entomology. A few days in Newfoundland. Canad. Ent. 48: 217-221, 257-261. (Odonata p. 220, 257-258).

Walker, E. M. 1916. A curious trap for dragonflies. Canad. Ent. 48: 314-315.

Walker, E. M. 1916. The nymphs of the North American species of Leucorrhinia. Canad. Ent. 48: 414-422.

Walker, E. M. 1917. Some dragonflies from Prince Edward Island. Canad. Ent. 49: 117-119.

Walker, E. M. 1917. Seasonal irregularities in the occurrence of dragonflies. Canad. Ent. 49: 171-178.

Walker, E. M. 1917. Review of A Year of Costa Rican Natural History, A. S. & P. P. Calvert, 1917. Canad. Ent. 49: 255-256.

Walker, E. M. 1917. The known nymphs of the North American species of Sympetrum (Odonata). Canad. Ent. 49: 409-418.

Walker, E. M. 1918. Review of The Biology of Dragonflies, by R. Tillyard, 1917. Canad. Ent. 50: 142-144.

Walker, E. M. 1918. On the American representatives of Somatochlora arctica with descriptions of two new species (Odonata). Canad. Ent. 50: 365-375.

Walker, E. M. 1918. Note on Agrion aequabile hudsonicum (Hagen). Canad. Ent. 50: 410-411.

Walker, E. M. 1925. The North American species of the genus Somatochlora. Univ. Toronto Stud., Biol. Ser., No. 26: 1-202.

Walker, E. M. 1927. The Odonata of the Canadian Cordillera. Bull. Prov. Mus. Nat. Hist., Victoria, 16 pp.

Walker, E. M. 1928. The nymphs of the Stylurus group of the genus Gomphus with notes on the distribution of this group in Canada (Odonata). Canad. Ent. 60: 79-88.

Walker, E. M. 1928. The Odonata (dragonflies) of the Lake Abitibi region. Univ. Toronto Stud., Biol. Ser., No. 32: 37-44.

Walker, E. M. 1932. The Odonata (dragonflies) of Lake Nipissing. Univ. Toronto Stud., Publ. Ontario Fish. Res. Lab., No. 48: 225-246.

Walker, E. M. 1932. The nymph of Gomphus quadricolor Walsh (Odonata). Canad. Ent. 64: 270-273.

Walker, E. M. 1933. The Odonata of the Maritime Provinces. Proc. Nova Scotian Inst. Sci. 18: 106-128.

Walker, E. M. 1933. The nymphs of the Canadian species of Ophiogomphus (Odonata, Gomphidae). Canad. Ent. 65: 217-229.

Walker, E. M. 1934. Part IV, Odonata, in A preliminary list of the insects of the province of Quebec. Suppl. 26th Rep. Quebec Soc. Prot. Plants: 1-12.

Walker, E. M. 1937. A new Macromia from British Columbia (Odon., Corduliidae). Canad. Ent. 69: 5-13.

Walker, E. M. 1940. Odonata from the Patricia portion of the Kenora District of Ontario with description of a new species of Leucorrhinia. Canad. Ent. 72: 4-15.

Walker, E. M. 1941. New records of Odonata from Manitoba. Canad. Ent. 73: 35-36.

Walker, E. M. 1941. The nymph of Somatochlora walshii Scudder. Canad. Ent. 73: 203-205.

Walker, E. M. 1941. The nymph of Aeschna verticalis Hagen. Canad. Ent. 73: 229-231.

Walker, E. M. 1942. Additions to the list of Odonata of the Maritime Provinces. Proc. Nova Scotian Inst. Sci. 20: 159-176.

Walker, E. M. 1942. The female of Leucorrhinia patricia Walker, with further notes on the male. Canad. Ent. 74: 74-75.

Walker, E. M. 1943. The subarctic Odonata of North America. Canad. Ent. 75: 79-90.

Walker, E. M. 1944. The nymphs of Enallagma clausum Morse and E. boreale Selys. Canad. Ent. 76: 233-237.

Walker, E. M. 1947. Further notes on the subarctic Odonata of North America. Canad. Ent. 79: 62-67.

Walker, E. M. 1950. Notes on some Odonata from the Kenora and Rainy River Districts, Ontario. Canad. Ent. 82: 16-21.

Walker, E. M. 1951. Sympetrum semicinctum (Say) and its nearest allies (Odonata). Ent. News 62: 153-163.

Walker, E. M. 1951. The Odonata of the Northern Insect Survey. Canad. Ent. 83: 269-278.

Walker, E. M. 1952. New or noteworthy records of Canadian Odonata. Canad. Ent. 84: 125-130.

Walker, E. M. 1952. The Lestes disjunctus and forcipatus complex (Odonata: Lestidae). Trans. Am. Ent. Soc. 78: 59-74.

Walker, E. M. 1953. The Odonata of Canada and Alaska. Vol. I, Part I: General. Part II: The Zygoptera-damselflies. Univ. Toronto Press, Toronto, 292 pp.

Walker, E. M. 1957. The affinities of the North American species of Gomphus as revealed by the genitalia (Odonata, Gomphidae). Contr. Roy. Ontario Mus. (Zool.), No. 46: 1-24.

Walker, E. M. 1957. Review of The Neotropical Species of the "subgenus Aeschna" sensu selysii 1883 (Odonata), by P. P. Calvert, 1956. Ent. News 68: 135-138.

Walker, E. M. 1958. The Odonata of Canada and Alaska. Vol. II, Part III, The Anisoptera of Canada and Alaska. Univ. Toronto Press, Toronto, 318 pp.

Walker, E. M. 1966. On the generic status of Tetragoneuria and Epicordulia (Odonata: Corduliidae). Canad. Ent. 98: 897-902.

Walker, E. M., and P. S. Corbet. 1975. The Odonata of Canada and Alaska. Vol. III, Part III: The Anisoptera-three families. Univ. Toronto Press, Toronto, 307 pp.

Walker, E. M., and W. E. Ricker. 1938. Notes on Odonata from the vicinity of Cultus Lake, B. C. Canad. Ent. 70: 144-151.

Walls, J. G., and M. Walls. 1971. Some stream-dwelling dragonflies from Allen Parish, Louisiana. Ent. News 82: 133-134.

Walsh, B. D. 1863. Notes, in Observations on certain North American Neuroptera, by H. Hagen. Proc. Ent. Soc. Philadelphia 2: 182-272.

Warren, A. 1915. A study of the food habits of the Hawaiian dragonflies or Pinau. Coll. of Hawaii Publ., Bull. 3: 1-45.

Warren, R. G. 1964. Territorial behaviour of Libellula quadrimaculata L. and Leucorrhinia dubia Van der L. (Odonata, Libellulidae). Ent. 97: 147.

Warrington, S., D. Knaggs, and A. Smith. 1996. Methods for determining species-habitat relationships, illustrated with fieldwork on freshwater macroinvertebrates in an upland catchment. J. Biol. Education 30: 257-264 .

Wasscher, M. T. 1991. A list of recorded Odonata of Bays Mountain Park, Sullivan County, Tennessee, United States. Notul. Odonatol. 3: 108-110.

Wasscher, M. T. 1996. On the mass migration of Libellula quadrimaculata in May 1925. Levende Natuur 97: 251-255. [in Dutch, with English summary]

Wassermann, G., and A. Schmidt-Kloiber. 1996. Ephemeroptera and Odonata of an artificial Danube backwater irrigation system. Archiv für Hydrobiologie Supplement 113: 493-496.

Waters, T. F. 1961. Standing crop and drift of stream bottom organisms. Ecology 42: 532-534.

Watson, J. A. L. 1957. First record of a petalurid dragonfly from Western Australia. W. Aust. Nat. 6: 79-81.

Watson, J. A. L. 1963. The status of Gomphus chichibui Fraser, 1936. Tombo 6: 12-13.

Watson, J. A. L. 1963. Life history, distribution and ecology in the Odonata of south-western Australia. Proc. N. Cent. Branch, Ent. Soc. Am. 18: 130-133.

Watson, J. A. L. 1966. The structure and function of the gill tufts in larval Amphipterygidae (Odonata: Zygoptera). J. Morph. 120: 9-22.

Watson, J. A. L. 1966. Genital structure as an isolating mechanism in Odonata. Proc. Roy. Ent. Soc. London (A) 41: 171-174.

Watson, J. A. L. 1967. An analysis of Trapezostigma eurybia (Selys, 1878) and related Indo-Australian species. Nova Guinea, Zool. 36: 377-400.

Watson, J. A. L. 1967. The larva of Synthemis leachi Selys, with a key to the larvae of western Australian Synthemidae (Odonata). W. Aust. Nat. 10: 86-91.

Watson, J. A. L. 1967. A second species of Lestoidea Tillyard (Odonata: Zygoptera). J. Aust. Ent. Soc. 6: 77-80.

Watson, J. A. L. 1977. The distribution of the Australian dragonflies (Odonata): first supplement. J. Aust. Ent. Soc.16: 277-279.

Watson, J. A. L., and A. H. Arthington. 1978. A new species of Orthetrum Newman from dune lakes in eastern Australia (Odonata: Libellulidae). J. Aust. Ent. Soc. 17: 151-157.

Watson, J. A. L., and M. S. Moulds. 1979. New species of Australian Lestidae (Odonata). J. Aust. Ent. Soc. 18: 143-155.

Watson, J. A. L., G. Theischinger, and H. M. Abbey. 1991. The Australian Dragonflies. CSIRO, Canberra and Melbourne.

Watson, M. C. 1956. The utilization of mandibular armature in taxonomic studies of Anisopterous nymphs. Trans Am. Ent. Soc. 81: 155-202.

Waubke, M., and M. Schwarz. 1996. On the knowledge of dragon fly and locust fauna (Insecta: Odonata, Saltatoria) in three nature reserves on the Wallersee: Fischtaginger Spitz, Bayerhamer Spitz, and Wenger Moor (Salzburg, Austria). Linzer Biologische Beitraege 28: 425-436. [in German, with English summary]

Weith, R., and J. G. Needham. 1901. The life-history of Nannothemis bella, Uhler. Canad. Ent. 33: 252-255.

Werner, E. E., and B. R. Anholt. 1996. Predator induced behavioral indirect effects: consequences to competitive interactions in anuran larvae. Ecology 77: 157-169.

Wesenburg-Lund, C. 1913. Odonaten-Studien. Int. Rev. Hydrobiol. 6: 155-228, 373-422.

Wesenburg-Lund, C. 1943. Die Biologie der Süsswasserinsekten. •, Copenhagen.

Westfall, M. J., Jr. 1941. Notes on Florida Odonata. Ent. News 52: 15-18, 31-34.

Westfall, M. J., Jr. 1942. A list of the dragonflies (Odonata) taken near Brevard, North Carolina. Ent. News 53: 94-132.

Westfall, M. J., Jr. 1943. Enallagma davisi, a new species from Florida (Odonata). Ent. News 54: 103-108.

Westfall, M. J., Jr. 1943. Synonymy of Libellula auripennis and Libellula jesseana and the description of a new species (Odonata). Trans. Am. Ent. Soc. 69: 17-31.

Westfall, M. J., Jr. 1945. A note on synonymy in the genus Gomphus (Odonata). Ent. News 56: 200-202.

Westfall, M. J., Jr. 1947. A new Macromia from North Carolina. J. Elisha Mitchell Sci. Soc. 63: 32-36.

Westfall, M. J., Jr. 1950. Nymphs of three species of Gomphus (Odonata). Fla. Ent. 33: 33-39.

Westfall, M. J., Jr. 1951. Notes on Tetragoneuria sepia Gloyd, with descriptions of the female and nymph. Fla. Ent. 34: 9-14.

Westfall, M. J., Jr. 1952. Additions to the list of dragonflies of Mississippi (Odonata: Anisoptera). Ent. News 63: 200-203.

Westfall, M. J., Jr. 1952. Celithemis bertha Williamson in Florida with a description of a new subspecies (Odonata). Fla. Ent. 35: 109-116.

Westfall, M. J., Jr. 1953. The nymph of Miathyria marcella Selys (Odonata). Fla. Ent. 36: 21-25.

Westfall, M. J., Jr. 1953. Notes on Florida Odonata, including additions to the state list. Fla. Ent. 36: 165-173.

Westfall, M. J., Jr. 1954. New dragonfly record for the United States. Fla. Ent. 37: 170.

Westfall, M. J., Jr. 1956. A new species of Gomphus from Alabama (Odonata). Quart. J. Fla. Acad. Sci. 19: 251-258.

Westfall, M. J., Jr. 1957. A new species of Telebasis from Florida (Odonata: Zygoptera). Fla. Ent. 40: 19-27.

Westfall, M. J., Jr. 1960. The Odonata of the Bahama Islands, the West Indies. Am. Mus. Novit., No. 2020: 1-12.

Westfall, M. J., Jr. 1964. Notes on the Odonata of Cuba. Quart. J. Fla. Acad. Sci. 27: 67-85.

Westfall, M. J., Jr. 1964. A new damselfly from the West Indies (Odonata: Protoneuridae). Quart. J. Fla. Acad. Sci. 27: 111-119.

Westfall, M. J., Jr. 1965. Confusion among species of Gomphus. Quart J. Fla. Acad. Sci. 28: 245-254.

Westfall, M. J., Jr. 1968. Grant No. 4571—Penrose Fund (1967), $800. Odonata, rearing nymphs, in Costa Rica. Year Book Am. Phil. Soc., 1968: 343-344.

Westfall, M. J., Jr. 1974. A critical study of Gomphus modestus Needham, 1942, with notes on related species (Anisoptera: Gomphidae). Odonatologica 3: 63-73.

Westfall, M. J., Jr. 1975. A new species of Gomphus from Arkansas. Fla. Ent. 58: 91-95.

Westfall, M. J., Jr. 1976. Taxonomic relationships of Diceratobasis macrogaster (Selys) and Phylolestes ethelae Christiansen of the West Indies as revealed by their larvae (Zygoptera: Coenagrionidae, Synlestidae). Odonatologica 5: 65-76.

Westfall, M. J., Jr. 1978. Odonata, in An Introduction to the Aquatic Insects of North America, ed. R. W. Merritt and K. W. Cummins. Kendall/Hunt Publ. Co., Dubuque, Iowa, 441 pp.

Westfall, M. J., Jr. 1986. Additional records of Odonata from El Salvador. Notul. Odonatol. 2: 115-117.

Westfall, M. J., Jr. 1987. Protoneura sanguinipes spec. nov., a new protoneurid damselfly from the Dominican Republic, West Indies (Zygoptera). Odonatologica 16: 93-97.

Westfall, M. J., Jr. 1988. Elasmothemis gen. nov., a new genus related to Dythemis (Anisoptera: Libellulidae). Odonatologica 17: 419-428.

Westfall, M. J., Jr. 1989. The larvae of Desmogomphus paucinervis (Selys, 1873) and Perigomphus pallidistylus (Belle, 1972) (Anisoptera: Gomphidae). Odonatologica 18: 99-106.

Westfall, M. J., Jr. 1990. Descriptions of larvae of Argia munda Calvert, A. plana Calvert, A. tarascana Calvert and A. tonto Calvert (Zygoptera: Coenagrionidae). Odonatologica 19: 61-70.

Westfall, M. J., Jr. 1992. Notes on Micrathyria, with descriptions of M. pseudeximia sp. n., M. occipita sp. n., M. dunklei sp. n. and M. divergens sp. n. (Anisoptera: Libellulidae). Odonatologica 21: 203-218.

Westfall, M. J., Jr., and R. B. Cumming. 1956. Two new species of Philogenia from the Panama Canal Zone (Odonata: Coenagriidae). Bull. Fla. State Mus. 1: 241-252.

Westfall, M. J., Jr., and M. L. May. 1996. Damselflies of North America. Scientific Publishers, Gainesville.

Westfall, M. J., Jr., and K. J. Tennessen. 1973. Description of the nymph of Lestes inaequalis (Odonata: Lestidae). Fla. Ent. 56: 291-293.

Westfall, M. J., Jr., and K. J. Tennessen. 1979. Taxonomic clarification within the genus Dromogomphus Selys (Odonata: Gomphidae). Fla. Ent. 62: 266-273.

Westfall, M. J., Jr., and K. J. Tennessen. 1985. Concerning the type specimens of Gomphus adelphus Selys, 1857, and G. consanguis Selys, 1879 (Anisoptera: Gomphidae). Odonatologica 14: 159-162.

Westfall, M. J., Jr., and R. P. Trogdon. 1962. The true Gomphus consanguis Selys (Odonata: Gomphidae). Fla. Ent. 45: 29-41.

Whedon, A. D. 1914. Preliminary notes on the Odonata of southern Minnesota. Rep. State Ent. Minnesota 13/14: 78-103.

Whedon, A. D. 1919. The comparative morphology and possible adaptations of the abdomen in the Odonata. Trans. Am. Ent. Soc. 44: 373-437.

White, H. B., III. 1963. Seasonal distribution and abundance of Odonata at a large pond in central Pennsylvania. Proc. N. Cent. Branch, Ent. Soc. Am. 18: 120-124.

White, H. B., III. 1969. Two species of Odonata previously unreported from New England. Ent. News 80: 88.

White, H. B., III. 1974. Aeshna subarctica Walker and other Odonata new for Maine. Ent. News 85: 289-291.

White, H. B., III. 1989. Dragonflies and damselflies (Odonata) of Acadia National Park and vicinity, Maine. Ent. News 100: 89-103.

White, H. B., P. S. Miliotis, and C. W. Leahy. 1974. Additions to the Odonata of Massachusetts. Ent. News 85: 208-210.

White, H. B., III, and W. J. Morse. 1973. Odonata (dragonflies) of New Hampshire: an annotated list. N. H. Agric. Exper. Sta. Res. Rep. No. 30.

White, H. B., III, and R. A. Raff. 1970. Early spring emergence of Anax junius (Odonata: Aeshnidae) in central Pennsylvania. Canad. Ent. 102: 498-499.

White, T. R., K. J. Tennessen, R. C. Fox, and P. H. Carlson. 1983. The aquatic insects of South Carolina. Part II: Zygoptera (Odonata). So. Car. Agric. Exp. Sta. Bull. 48.

Whitehouse, F. C. 1917. The Odonata of the Red Deer District, Alberta. Canad. Ent. 49: 96-103.

Whitehouse, F. C. 1918. The Odonata of the Red Deer District, Alberta. Canad. Ent. 50: 95-100.

Whitehouse, F. C. 1918. Dragonflies (Odonata) of Alberta. Alberta Nat. Hist. Soc., Red Deer, 16 pp.

Whitehouse, F. C. 1918. A week's collecting on Coliseum Mountain, Nordegg, Alta. Canad. Ent. 50: 1-7.

Whitehouse, F. C. 1939. Notes on some tropical dragonflies. Canad. Ent. 71: 199-202.

Whitehouse, F. C. 1941. British Columbia dragonflies (Odonata), with notes on distribution and habits. Am. Midl. Nat. 26: 488-557.

Whitehouse, F. C. 1943. A guide to the study of dragonflies of Jamaica. Bull. Inst. Jamaica, Sci. Ser., No. 3: 1-69.

Wicklund, C. 1977. Why do males emerge before females? Oecologia 31: 153-158.

Wighton, D. C. 1960. Dragonflies and damselflies collected in the vicinity of Cedar Lake, Ontario. Canad. Field-Nat. 74: 52-53.

Wilbur, P. C. 1945. The collection of eggs of Aeschna multicolor (Hagen). Ent. News 56: 48-49.

Wildermuth, H. 1996. Observations of the reproductive behavior of the dragonfly Perithemis mooma (Kirby, 1889) from a South Brazilian farm pond (Odonata, Libellulidae). Mitteilungen der Entomologischen Gesellschaft Basel 46: 68-77.

Willey, R. L. 1955. A terrestrial damselfly nymph (Megapodagrionidae) from New Caledonia. Psyche 62: 137-144.

Willey, R. L. 1974. Emergence patterns in the subalpine dragonfly Somatochlora semicircularis. Psyche 81: 121-133.

Willey, R. L., and H. O. Eiler. 1972. Drought resistance in subalpine nymphs of Somatochlora semicircularis Selys (Odonata: Corduliidae). Am. Midl. Nat. 87: 215-221.

Williams, C. B. 1929. Some records of dragonfly migration. Ent. 62: 145-148.

Williams, C. E. 1977. Courtship display in Belonia croceipennis (Selys), with notes on copulation and oviposition (Anisoptera: Libellulidae). Odonatologica 6: 283-287.

Williams, D. D. 1996. Environmental constraints in temporary fresh waters and their consequences for the insect fauna. J. N. Am. Benthol. Soc. 15: 634-650.

Williams, F. X. 1936. Biological studies in Hawaiian water-loving insects. Part II. Odonata of dragonflies. Proc. Hawaiian Ent. Soc. 9: 273-349.

Williams, F. X. 1937. Notes on the biology of Gynacantha nervosa Rambur (Aeschninae), a crepuscular dragonfly in Guatemala. Pan-Pacific Ent. 13: 1-8.

Williamson, E. B. 1898. A new species of Ischnura (Order Odonata). Ent. News 9: 209-211.

Williamson, E. B. 1899. A note on copulation among Odonata. Ent. News 10: 42-43.

Williamson, E. B. 1899. Habits of Ischnura kellicotti (Order Odonata). Ent. News 10: 68-69.

Williamson, E. B. 1899. Calopteryx angustipennis Selys in western Pennsylvania. Ent. News 10: 199-200.

Williamson, E. B. 1900. The dragonflies of Indiana. Indiana Dept. Geol. & Nat. Res., 24th Ann. Rep.: 229-333.

Williamson, E. B. 1900. Notes on a few Wyoming dragonflies. Ent. News 11: 453-457.

Williamson, E. B. 1900. On the habits of Tachopteryx thoreyi (Order Odonata). Ent. News 11: 398-399.

Williamson, E. B. 1901. On the manner of oviposition and on the nymph of Tachopteryx thoreyi (Order Odonata). Ent. News 12: 1-3.

Williamson, E. B. 1901. Preservation of colors in dragonflies (Odonata). Ent. News 12: 131-133.

Williamson, E. B. 1901. The subgenus Stylurus Needham: Selys' groups VI and VII of the genus Gomphus (Odonata), and on the postanal cells in the latter. Trans. Am. Ent. Soc. 27: 205-217.

Williamson, E. B. 1902. A new species of Gomphus (Odonata) related to G. fraternus. Ent. News 13: 47-49.

Williamson, E. B. 1902. Additions to the Indiana list of dragonflies, with a few notes. No. II. Proc. Indiana Acad. Sci. 1901: 119-127.

Williamson, E. B. 1902. Dragonflies (Odonata) from the Magdalen Islands. Ent. News 13: 144-146.

Williamson, E. B. 1903. A proposed new genus of Odonata (dragonflies) of the subfamily Aeschninae, Group Aeschna. Ent. News 14: 2-8.

Williamson, E. B. 1903. Spiders as enemies of dragonflies. Ent. News 14: 160-161.

Williamson, E. B. 1903. The dragonflies (Odonata) of Tennessee, with a few records for Virginia and Alabama. Ent. News 14: 221-229.

Williamson, E. B. 1903. A hybrid dragonfly of the genus Gomphus (Odonata). Ent. News 14: 253-258.

Williamson, E. B. 1904. A new species of Psolodesmus (Order Odonata) from Formosa. Ent. News 15: 247-250.

Williamson, E. B. 1904. The dragonflies (Odonata) of Burma and Lower Siam.–1. Subfamily Calopteryginae. Proc. U. S. Nat. Mus. 28: 165-187.

Williamson, E. B. 1904. Additional dragonfly (Odonata) records for western Pennsylvania. Ent. News 15: 277-278.

Williamson, E. B. 1905. Oviposition of Tetragoneuria (Odonata). Ent. News 16: 255-257.

Williamson, E. B. 1905. Itinerary of a collecting trip, made especially in search of dragonflies, in Central America. Ent. News 16: 299-306.

Williamson, E. B. 1906. Copulation of Odonata. Ent. News 17: 143-148.

Williamson, E. B. 1905. Oviposition of Tetragoneuria (Odonata). Ent. News 16: 255-257.

Williamson, E. B. 1906. Plathemis subornata (Odonata). Ent. News 17: 351.

Williamson, E. B. 1906. Dragonflies (Odonata) collected by Dr. D. A. Atkinson in Newfoundland, with notes on some species of Somatochlora. Ent. News 17: 133-139.

Williamson, E. B. 1907. The dragonflies (Odonata) of Burma and Lower Siam–II. Subfamilies Cordulegasterinae, Chlorogomphinae, and Gomphinae. Proc. U. S. Nat. Mus. 33: 267-317.

Williamson, E. B. 1907. Addition to list of dragonflies of Canada. Ohio Nat. 8: 204.

Williamson, E. B. 1908. A new dragonfly (Odonata) belonging to the Cordulinae, and a revision of the classification of the subfamily. Ent. News 19:428-434.

Williamson, E. B. 1908. Three related American species of Aeshna (Odonata). Ent. News 19: 264-271, 301-308.

Williamson, E. B. 1909. The North American dragonflies (Odonata) of the genus Macromia. Proc. U. S. Nat. Mus. 37: 369-398.

Williamson, E. B. 1909. Some corrections in Somatochlora (Odonata–dragonflies). Ent. News 20: 77-79.

Williamson, E. B. 1910. A new species of Celithemis (Order Odonata). Ohio Nat. 10: 153-160.

Williamson, E. B. 1911. Possible causes of local distribution of Odonata. Ent. News 22: 229.

Williamson, E. B. 1912. Hetaerina titia and tricolor (Dragonflies–Odonata). Ent. News 23: 98-101.

Williamson, E. B. 1912. The known Indiana Somatochloras (Odonata). Ent. News 23: 152-155.

Williamson, E. B. 1912. The dragonfly Argia moesta and a new species (Odonata). Ent. News 23: 196-203.

Williamson, E. B. 1913. The medio-anal link in Agrioninae (Odonata). Ent. News 24: 258-261.

Williamson, E. B. 1913. Some Colorado dragonfly records (Odonata). Ent. News 24: 372.

Williamson, E. B. 1914. Gomphus pallidus and two new related species (Odonata). Ent. News 25: 49-58.

Williamson, E. B. 1914. September dragonflies about Mesa, Arizona (Odon.). Ent. News 25: 225-226.

Williamson, E. B. 1914. Dragonflies (Odonata) collected in Texas and Oklahoma. Ent. News 25: 411-415, 444-454.

Williamson, E. B. 1914. Sympetrum obtrusum and costiferum (Odonata) in Maine. Ent. News 25: 456.

?Williamson, E. B. 1915. Notes on Neotropical dragonflies, or Odonata. Proc. U. S. Nat. Mus. 48: 601-638.

Williamson, E. B. 1916. Directions for collecting and preserving specimens of dragonflies for museum purposes. Univ. Michigan Mus. Zool., Misc. Publ. No. 1: 1-15.

Williamson, E. B. 1916. A new dragonfly genus of the legion Protoneura (Odonata). Ent. News 27: 30-33.

Williamson, E. B. 1916. A new Cyanogomphus (Odonata). Ent. News 27: 167-172.

Williamson, E. B. 1916. On certain Acanthagrions, including three new species (Odonata). Ent. News 27: 313-325, 349-358.

Williamson, E. B. 1917. The genus Neoneura (Odonata). Trans. Am. Ent. Soc. 43: 211-246.

Williamson, E. B. 1917. An annotated list of the Odonata of Indiana. Univ. Michigan Mus. Zool., Misc. Publ. No. 2: 1-12.

Williamson, E. B. 1917. Some species of Leptagrion with descriptions of a new genus and a new species (Odonata). Ent. News 28: 241-255.

Williamson, E. B. 1918. A collecting trip to Colombia, South America. Univ. Michigan Mus. Zool., Misc.Publ. No. 3: 1-24.

Williamson, E. B. 1918. Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917. I. Two interesting new Colombian gomphines (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 52: 1-14.

Williamson, E. B. 1918. Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917. II. A new species of Agriogomphus (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 59: 1-18.

Williamson, E. B. 1919. Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917. III. Archaeogomphus, a new genus of dragon-flies (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 63: 1-6.

Williamson, E. B. 1919. Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917. IV. Notes on species of the genus Heteragrion Selys with descriptions of new species (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 68: 1-65.

Williamson, E. B. 1919. Variation in color pattern of the dragonfly Gomphus crassus (Odonata). Ent. News 30: 294-296.

Williamson, E. B. 1920. Results of the University of Michigan-Williamson Expedition to Colombia, 1916-1917. V. Notes on a few species of Progomphus (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 77: 1-18.

Williamson, E. B. 1920. A new gomphine genus from British Guiana with a note on the classification of the subfamily (Order Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 80: 1-11.

Williamson, E. B. 1921. Notes on Indiana dragonflies. Proc. Indiana Acad. Sci. 1920: 99-104.

Williamson, E. B. 1921. Two new Neotropical genera of Lestinae (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 96: 1-9.

Williamson, E. B. 1921. Two days with Indiana Odonata. Ent. News 32: 19-23.

Williamson, E. B. 1922. Libellulas collected in Florida by Jesse H. Williamson, with a description of a new species (Odonata). Ent. News 33: 13-19.

Williamson, E. B. 1922. Enallagmas collected in Florida and South Carolina by Jesse H. Williamson with descriptions of two new species (Odonata, Agrionidae). Ent. News 33:114-118, 138-144.

Williamson, E. B. 1922. Notes on Celithemis with descriptions of two new species (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 108: 1-20.

Williamson, E. B. 1922. Indiana Somatochloras again (Odonata, Libellulidae). Ent. News 33: 200-207.

Williamson, E. B. 1923. Notes on American species of Triacanthagyna and Gynacantha. Univ. Michigan Mus. Zool., Misc. Publ. No. 9: 1-80.

Williamson, E. B. 1923. Notes on the genus Erythemis with a description of a new species (Odonata). Univ. Michigan Mus. Zool., Misc. Publ. No. 11: 1-18.

Williamson, E. B. 1923. Notes on the habits of some tropical species of Hetaerina (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 130: 1-46.

Williamson, E. B. 1923. A new species of Archaeogomphus (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 134: 1-9.

Williamson, E. B. 1923. Some peculiarities of the dragonfly fauna of Trinidad (Odonata). Ent. News 34: 263-265.

Williamson, E. B. 1923. Odonatological results of an auto trip across Indiana, Kentucky and Tennessee. Ent. News 34: 6-9, 37-40.

Williamson, E. B. 1923. A new species of Williamsonia (Odonata-Corduliinae). Canad. Ent. 55: 96-98.

Williamson, E. B. 1931. Common names for dragonflies (Odonata). Ent. News 42: 46-50.

Williamson, E. B. 1931. A new North American Somatochlora (Odonata-Cordulinae). Univ. Michigan Mus. Zool., Occ. Pap. No. 225: 1-8.

Williamson, E. B. 1931. Archilestes grandis (Ramb.) in Ohio (Odonata: Agrionidae). Ent. News 42: 63-64.

Williamson, E. B. 1932. Dragonflies collected in Missouri. Univ. Michigan Mus. Zool., Occ. Pap. No. 240: 1-40.

Williamson, E. B. 1932. Two new species of Stylurus (Odonata-Gomphinae). Univ. Michigan Mus. Zool., Occ. Pap. No. 247: 1-18.

Williamson, E. B. 1933. The status of Sympetrum assimilatum (Uhler) and Sympetrum decisum (Hagen) (Odonata-Libellulinae). Univ. Michigan Mus. Zool., Occ. Pap. No. 264: 1-7.

Williamson, E. B. 1934. Dragonflies collected in Kentucky, Tennessee, North and South Carolina, and Georgia in 1931. Univ. Michigan Mus. Zool., Occ. Pap. No. 288: 1-20.

Williamson, E. B. 1936. Odonata from Yucatan. Carnegie Inst. Washington Publ. 457: 139-143.

Williamson, E. B., and L. K. Gloyd. 1933. A new Somatochlora from Florida (Odonata-Cordulinae). Univ. Michigan Mus. Zool., Occ. Pap. No. 262: 1-7.

Williamson, E. B., and J. H. Williamson. 1924. A remarkable new genus of Coenagrionidae from Brazil, with descriptions of three new species (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 154: 1-24.

Williamson, E. B., and J. H. Williamson. 1924. The genus Perilestes (Odonata). Univ. Michigan Mus. Zool., Misc. Publ. No. 14: 1-36.

Williamson, E. B., and J. H. Williamson. 1930. Five new Mexican dragonflies (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 216: 1-34.

Williamson, E. B., and J. H. Williamson. 1930. Two new Neotropical Aeshnines (Odonata). Univ. Michigan Mus. Zool., Occ. Pap. No. 218: 1-15.

Wilson, C. B. 1909. Dragonflies of the Mississippi Valley collected during the pearl mussel investigations on the Mississippi River, July and August 1907. Proc. U. S. Nat. Mus. 36: 653-671.

Wilson, C. B. 1912. Dragon flies of the Cumberland Valley in Kentucky and Tennessee. Proc. U. S. Nat. Mus. 43: 189-200.

Wilson, C. B. 1920. Dragonflies and damselflies in relation to pondfish culture, with a list of those found near Fairport, Iowa. Bull. U. S. Bur. Fish. 36: 181-264.

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Wilson, K. D. P. 1996. The Idionychinae from Hong Kong, with a description of Macromidia ellenae spec. nov. (Anisoptera: Corduliidae). Odonatologica 25: 355-366.

Wilson, K. D. P. 1999. Dragonflies (Odonata) of Dinghu Shan Biosphere Reserve, Guangdong Province, China. Int. J. Odonatol. 2: 23-53.

Wilson, K. D. P., and G. Theischinger. 1996. Further notes on Macromia Rambur from Hong Kong, with description of the larvae (Anisoptera: Corduliidae). Odonatologica 25: 275-282.

Wisenden, B.D., D. P. Chivers, and R. J. F. Smith. 1997. Learned recognition of predation risk by Enallagma damselfly larvae (Odonata, Zygoptera) on the basis of chemical cues. J. Chem. Ecol. 23: 137-151.

Wissinger, S. A. 1988. Life history and size structure of larval dragonfly populations. J. N. Am. Benthol. Soc. 7: 13-28.

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Wolfe, L. S. 1953. A study of the genus Uropetala Selys (Order Odonata) from New Zealand. Trans. Roy. Soc. New Zealand 80: 245-275.

Woodford, J. 1967. The dragonfly project. Ontario Nat., June 1967: 14-16.

Wrangham, R. W. 1980. Female choice of least costly males: a possible factor in the evolution of leks. Z. Tierpsychol. 54: 357-367.

Wright, M. 1937. A survey of the adult anisopterous dragonflies of the central Gulf coast region. J. Tenn. Acad. Sci. 12: 255-266.

Wright, M. 1938. A review of the literature on the Odonata of Tennessee. J. Tenn. Acad. Sci. 13: 26-33.

Wright, M. 1938. Notes on the dragonflies of Reelfoot Lake, Tennessee. J. Tenn. Acad. Sci. 13: 104-108.

Wright, M. 1939. Additions to the list of anisopterous dragonflies of the central Gulf coast region. J. Tenn. Acad. Sci. 14: 203-208.

Wright, M. 1939. Argia fumipennis in Ohio. Ohio J. Sci. 39: 155-156.

Wright, M. 1942. A comparison of the dragonfly fauna of the lower delta of the Mississippi River with that of the marshes of the central Gulf coast. Abstr. Doct. Diss., Ohio State Univ., No. 36: 365-370.

Wright, M. 1943. Dragonflies collected in the vicinity of Florala, Alabama. Fla. Ent. 26:30-31, 49-51.

Wright, M. 1943. The effect of certain ecological factors on dragonfly nymphs. J. Tenn. Acad. Sci. 18: 172-196.

Wright, M. 1943. Additions to the list of Odonata from Tennessee. J. Tenn. Acad. Sci. 18: 211-212.

Wright, M. 1943. A comparison of the dragonfly fauna of the lower delta of the Mississippi River with that of the marshes of the central Gulf coast. Ecol. Monogr. 13: 481-497.

Wright, M. 1944. Notes on dragonflies in the vicinity of New Smyrna Beach, Florida. Fla. Ent. 27: 35-39.

Wright, M. 1944. Some random observations on dragonfly habits with notes on their predaceousness on bees. J. Tenn. Acad. Sci. 19: 295-301.

Wright, M. 1945. Dragonflies predaceous on the stablefly Stomoxys irritans (L.). Fla. Ent. 28: 11-13, 31-32.

Wright, M. 1946. The economic importance of dragonflies (Odonata). J. Tenn. Acad. Sci. 231: 60-71.

Wright, M. 1946. A description of the nymph of Sympetrum ambiguum (Rambur) with habitat notes. J. Tenn. Acad. Sci. 21: 135-138.

Wright, M. 1946. Taxonomic notes on the nymphs of the dragonfly genus Dromogomphus Selys. J. Tenn. Acad. Sci. 21: 183-186.

Wright, M. 1946. Notes on nymphs of the dragonfly genus Tarnetrum. J. Tenn. Acad. Sci. 21: 198-200.

Wright, M. 1946. Dragonflies collected in central Tennessee during 1945. J. Tenn. Acad. Sci. 21: 268-280.

Wright, M. 1946. A description of the nymph of Agrion dimidiatum (Burmeister). J. Tenn. Acad. Sci. 21: 336-338.

Wright, M. 1946. Notes on nymphs of the dragonfly genus Helocordulia Needham. Ohio J. Sci. 46: 337-339.

Wright, M. 1949. Notes on nymphs of the dragonfly genus Boyeria. J. Tenn. Acad. Sci. 24: 213-215.

Wright, M., and A. Peterson. 1944. A key to the genera of anisopterous dragonfly nymphs of the United States and Canada (Odonata, suborder Anisoptera). Ohio J. Sci. 44: 151-166.

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