''Helicopsyche'' is a genus of

Trichoptera The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the b ...

, the

caddisflies The caddisflies, or order Trichoptera, are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and Annulipalpia on the b ...

. ''Helicopsyche'' contains more than 230 species and are represented on all major faunal regions with highest diversity in tropical and sub-tropical regions. The genus was first described by Siebold, 1856. The abundance and wide distribution of the genus makes it important to

fly fishing Fly fishing is an angling method that uses a light-weight lure—called an artificial fly—to catch fish. The fly is cast using a fly rod, reel, and specialized weighted line. The light weight requires casting techniques significantly diffe ...

angler Angler may refer to: * A fisherman who uses the fishing technique of angling * ''Angler'' (video game) * The angler, ''Lophius piscatorius'', a monkfish * More generally, any anglerfish in the order Lophiiformes * '' Angler: The Cheney Vice Presi ...

s, who know it as the "Speckled Peter".

Diagnosis

Larva: The case is dextrally coiled, with coils usually completely fused. Head is oval in dorsal view and smooth except for long setae and lateral carina. In lateral view the head has a trianguloid shape with the dorsal margin straight or slightly concave. Pronotum is strongly sclerotized while meso-and metantoum are weakly sclerotized. Anal claw with a single row of comb shaped hooks. Abdominal gills either are present or absent. Adult: maxillary palps 2-, 3-, or 4-jointed. Antennae as long as fore wing or two times longer than fore wing length. Cephalic warts variable. One pair of oblong central warts on pronotum. Mesonotum either has setal warts or not. Metanotum always with setal warts. Postscutellar line present. Male and females have similar fore wings.

Phylogenetic relationship

''Helicopsyche'' probably forms the sister group to ''Rakiura'' McFarlane, 1973. The genus is monophyletic, since the ''Cochliopsyche'' was included by Johanson 2003. ''Cochliopsyche'' was formerly introduced by Müller (1885) as another genus within Helicopsychidae with spur formula 1, 2, 2, and very long antennae, which give them a leptocerid-like appearance. ''Helicopsyche'' now contains the six following subgenera '' Cochilopsyche'' Müller, 1885 (16 species); '' Petrotrichia'' Ulmer, 1910; ''

Helicopsyche (subgenus) ''Helicopsyche'' is a genus of Trichoptera, the caddisflies. ''Helicopsyche'' contains more than 230 species and are represented on all major faunal regions with highest diversity in tropical and sub-tropical regions. The genus was first describe ...

'' Siebold, 1856; '' Feropsyche'' Johanson, 1998 (73 species); '' Saetotricha'' Brauer, 1865; '' Galeopsyche''.

Distribution

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: Italy, France,

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, Switzerland, Spain.

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, Canada,

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References

* * * * ;Notes {{Taxonbar, from=Q5705143 Trichoptera genera Integripalpia Insects of Africa Insects of Europe