Erläuterungen:
A1+2+3 = Analadern 1 bis 3; Co = Costa; G 1 - G 5 = 1. bis 5. Apigalgabel (Endgabel); Dz = Discoidalzelle; M = Media; Mz = Medianzelle; R = Radius; Sc = Subcosta; Sr = Sector radii; Cu = Cubitus

Venation of the forewing of Hydropsyche.
A1 - A3 = anal veins; G1 - G5 = apical forks; Dz = discoidal cell; M = media; Mz = median cell; Sc = subcosta; Sr = sector radii; Cu = cubitus; Tz = thyridium cell