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Family Anisopodidae - Wood Gnats

Wood Gnat - Sylvicola fenestralis Shelton Dipt 1 - Sylvicola fenestralis Wood Gnat  - Sylvicola fenestralis Sylvicola alternatus  - Sylvicola alternatus - female wood gnat - female Anisopodidae? - Sylvicola Sylvicola Very small Crane fly? - Sylvicola
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Bibionomorpha (Gnats, Gall Midges, and March Flies)
Family Anisopodidae (Wood Gnats)
Explanation of Names
Anisopodidae Knab 1912
from Anisopus, 'having dissimilar feet'
9 spp. in 3 genera in our area(1), ~200 spp. in 24 genera total(2)
4-8 mm
mosquito-like but proboscis shorter than head; usually dark spots on wings
larvae in/near decaying wood or vegetation, fermenting sap, animal manure, tree trunks, mud, and sometimes sewage
adults on foliage or around flowing sap in or near damp places; may swarm and come to lights
Print References
Malloch, J. R. 1917. A preliminary classification of Diptera, exclusive of Pupipara, based upon larval and pupal characters, with keys to imagines in certain families. Part 1. Bull. Ill. St. Lab. nat. Hist. l2: l6l-410; plates 28-57.
Edwards, F. W. 1928. Diptera. Fam. Protorhyphidae, Anisopodidae, Pachyneuridae, Trichoceridae. Fascicle 190, Pages 1-41, Plates l-2 in P. Wytsman, ed. Genera insectorum. Bruxelles. (Biodiversity Heritage Library)
Alexander, C. P. 1942. Guide to the insects of Connecticut. Part VL The Diptera or true flies of Connecticut. First Fascicle. Family Anisopodidae. Bull. Conn. St. geol. nat. Hist. Surv. 64:192-198 [reprinted 1966]
Lane, J., and C. d'Andretta, Jr. 1958. Neotropical Anisopodidae (Diptera, Nematocera). Studia ent. 1: 497-528.
Stone, A. 1965. Notes on Nearctic Sylvicola species (Diptera, Anisopodidae). Proc. ent. Soc. Wash. 67: 149-151.
Pratt, G. K., and H. D. Pratt. 1980. Notes on Nearctic Sylvicola (Diptera: Anisopodidae). Proc. ent. Soc. Wash. 82: 86-98.