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Species Hydatophylax argus

Large Caddisfly - Hydatophylax argus Genus Hydatophylax - Hydatophylax argus Caddisfly - Hydatophylax argus Hydatophylax argus Hydatophylax argus? - Hydatophylax argus Caddisfly - Hydatophylax argus Caddisfly - Hydatophylax argus Trichoptera - Hydatophylax argus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Trichoptera (Caddisflies)
Suborder Integripalpia
Infraorder Plenitentoria
Superfamily Limnephiloidea
Family Limnephilidae (Northern Caddisflies)
Subfamily Limnephilinae
Tribe Stenophylacini
Genus Hydatophylax
Species argus (Hydatophylax argus)
Adult: head and posterior dorsal thorax yellow; forewing with about 10 clear oval patches surrounded by brown shading near middle of wing; band of clear elongate cells along outer margin, separated by brown veins; basal half of wing with whitish veins edged in brown; antennae black, unmarked, shorter than length of forewing; legs yellowish basally, dark distally
Newfoundland to South Carolina, west to Alababma, north to Saskatchewan
In a PDF doc here, Pescador and Rasmussen state: "The occurrence of the species in Florida is doubtful. Larvae of Hydatophylax are easily confused with those of Pycnopsyche."
adults fly in June
page creation based on Simon Carmichael's identification of this image
Internet References
questionable presence in Florida; PDF doc (Manuel Pescador and Andrew Rasmussen, Florida A&M U.)
distribution (NatureServe Explorer)
presence in Minnesota; list (R.W. Holzenthal and M.P. Monson, Insects of Cedar Creek, Minnesota)
presence in Saskatchewan; list (U. of Saskatchewan)
presence and date in Ohio; PDF doc (David MacLean and Bonnie MacLean, Ohio Academy of Science, Ohio State U.)
presence in Ontario; list H. argus is the only Hydatophylax species listed in Ontario [search for "Hydatophylax"] (NHIC; Ontario Ministry of Natural Resources)