Hydromya dorsalis is a species of fly in the family Sciomyzidae. It is found in the Palearctic.[1][2][3] It is the only species in the genus Hydromya. Males have two elongated processes on the anterior margin of the fourth abdominal sternite. Larvae of Hydromya dorsalis are adapted for aquatic life and prey on aquatic pulmonate snails: Galba truncatula, Lymnaea sp. and Stagnicola palustris. Because of this, they are commonly referred to as snail-killing flies. [4] Adults are found on vegetation all year round but the main flight period is April to October. H. dorsalis is known from most of the Palaearctic and some parts of the Afrotropics countries.
| Hydromya | |
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| Hydromya dorsalis North Wales | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Diptera |
| Family: | Sciomyzidae |
| Subfamily: | Sciomyzinae |
| Tribe: | Tetanocerini |
| Genus: | Hydromya Robineau-Desvoidy, 1830 |
| Species: | H. dorsalis
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| Binomial name | |
| Hydromya dorsalis (Fabricius, 1775)
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| Synonyms | |
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References
edit- ^ Fauna Europaea
- ^ Bei-Bienko, G.Y. & Steyskal, G.C. (1988) Keys to the Insects of the European Part of the USSR, Volume V: Diptera and Siphonaptera, Parts I, II. Amerind Publishing Co., New Delhi. ISBN 81-205-0080-6 ISBN 81-205-0081-4
- ^ Séguy, E. (1934) Diptères: Brachycères. II. Muscidae acalypterae, Scatophagidae. Paris: Éditions Faune de France 28 Bibliotheque Virtuelle Numerique pdf
- ^ McDonnell, R. J., Knutson, L., Vala, J. C., Abercrombie, J., Henry, P. Y., Gormally, M. J., 2005: Direct evidence of predation by aquatic, predatory Sciomyzidae (Diptera, Acalyptrata) on freshwater snails from natural populations. Entomologist' s Monthly Magazine 141(1688/90): 49-56.
External links
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