1 | Tarsal claws of males and middle legs of females normally developed. Segments of antennae without oblique black lines. Costal area of front wing with additional cross vein. Discoidal cell of both wings long and narrow. Sternite V on both sides with a filament which is especially long in males. Only one species in Germany. | Diplectrona felix
- | External tarsal claw of males hidden by a tuft of black setae. Tibiae and tarsi of females mostly flattened and dilated. Basal part of the antennae with diagonal, mostly black lines, except for Cheumatopsyche. Front wing without additional cross vein in costal area. Discoidal cell of both wings short and broad. Sternite V without filaments | 2
2 | Median cell in the hind wing closed. Most segments of antennae with oblique black lines. Mostly large species. Hydropsyche | males of Hydropsyche females of Hydropsyche
- | Median cell in hind wing open. Segments of antennae without oblique black lines. In Germany only 1 species | Cheumatopsyche lepida