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Genus Banksiola

Stonefly? - Banksiola Giant Casemaker - Banksiola crotchi B dossuaria - Banksiola dossuaria Caddisfly - Banksiola crotchi Small Caddisfly - Banksiola Small Caddisfly - Banksiola what is this insect - Banksiola Banksiola crotchi
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Trichoptera (Caddisflies)
Suborder Integripalpia
Infraorder Plenitentoria
Superfamily Phryganeoidea
Family Phryganeidae (Giant Casemakers)
Genus Banksiola
Explanation of Names
Banksiola Martynov 1924
5 species in North America listed at
Adult B. crotchi: body brown; antennae banded dark and light brown; forewing with reticulate (net-like) pattern of fine brown lines mixed with patches of dark blotches
Larva: builds a case from pieces of plant matter and algae, arranged in a spiral pattern
represented throughout North America, including Alaska and the Canadian arctic
larvae develop in standing water (ponds, marshes); adults are nocturnal and attracted to light
adults fly from May to August
larvae are active from August to November, then overwinter
larval instars 1-4 of B. crotchi feed on algae; the 5th instar is predaceous
Life Cycle
one generation per year; overwinters as a larva
page creation based on Donald Chandler's identification of this image
Print References
Martynov, A.V. 1924. Preliminary revision of the family Phryganeidae its classification and evolution. Annals and magazine of Natural History. 14(9): 209-224
Milne, L.J. 1934. Studies in North American Trichoptera. 1: 1-19
Wiggins, G.B. 1956. A revision of the North American caddisfly genus Banksiola (Trichoptera : Phryganeidae) Contributions of the Royal Ontario Museum, Division of Zoology and Palaeontology. 43: 1-12 (includes description and illustrations of both male and female genitalia)
Internet References
pinned adult image of B. crotchi (Insects of Cedar Creek, Minnesota)
technical key to adults and larvae of species in Michigan (Ethan Bright, U. of Michigan)
distribution of all 5 NA species listing states and provinces of occurrence (NatureServe Explorer)