''Semblis phalaenoides'', the spotted caddis fly, is a species of

caddisfly 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 ...

in the

Phryganeidae Phryganeidae is a family of giant caddisflies in the order Trichoptera. There are about 16 genera and at least 80 described species in Phryganeidae. The type genus for Phryganeidae is ''Phryganea ''Phryganea'' is a genus of giant casem ...

family. It is found in

Fennoscandia __NOTOC__ Fennoscandia ( Finnish, Swedish and no, Fennoskandia, nocat=1; russian: Фенноскандия, Fennoskandiya) or the Fennoscandian Peninsula is the geographical peninsula in Europe, which includes the Scandinavian and Kola penins ...

Poland Poland, officially the Republic of Poland, , is a country in Central Europe. Poland is divided into Voivodeships of Poland, sixteen voivodeships and is the fifth most populous member state of the European Union (EU), with over 38 mill ...

, the

Baltic region The terms Baltic Sea Region, Baltic Rim countries (or simply the Baltic Rim), and the Baltic Sea countries/states refer to slightly different combinations of countries in the general area surrounding the Baltic Sea, mainly in Northern Europe. ...

Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by ...

and

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eigh ...

. Larvae have been reared on freshly killed mosquitoes, flies and tiny juveniles of fish.Iakttagelser av storflackiga kungsnattslandan Semblis phalaenoides vid Backtorpet i Vastmanland
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References

Trichoptera Insects described in 1758 Insects of Europe Taxa named by Carl Linnaeus {{Trichoptera-stub