The larvae of the European Helicopsyche species (Trichoptera: Helicopsychidae) Author Waringer, Johann Author Malicky, Hans Author Živić, Ivana Author Vicentini, Heinrich text Zootaxa 2017 2017-06-20 4277 4 561 572 journal article 25095 10.11646/zootaxa.4277.4.6 2f1d3b1d-42e7-42dd-a547-988e1db2a231 1175-5326 814655 0556CD53-4A39-47E0-9180-CEDF81F05D03 Key to the European species of Helicopsychidae 1 Dorsal head capsule with more than 17 pairs of primary setae ( Figs. 30, 31 ); propleuron with sharply-angled dorsal outline, its anterior process cuneiform, straight dorsally, and strongly tapering ( Fig. 32 ); submentum broadly triangular, with rounded posterior edge ( Fig. 33 )................................................................... Helicopsyche bacescui - Dorsal head capsule with only 17 pairs of primary setae ( Figs. 1 , 22 , 34 ); propleuron with sharply-angled or rounded dorsal outline; submentum trapezoidal ( Figs. 24 , 40 ) or triangular ( Figs. 4 , 37 )........................................... 2 Propleuron in lateral view with sharply-angled dorsal outline ( Figs. 27 , 39 ); submentum trapezoidal ( Figs. 24 , 40 )........ 3 - Propleuron in lateral view rounded dorsally ( Fig. 9 ); submentum triangular ( Figs. 4 , 37 )............................ 4 3 Propleural anterior process long, nearly straight, and digitate ( Fig. 39 ); submentum posterior edge nearly straight and only slightly narrower than anterior edge; anterior edge straight ( Fig. 40 )........................... Helicopsyche lusitanica - Propleural anterior process short, curved anterad, and apically acute ( Fig. 27 ); submentum posterior edge rounded and much narrower than anterior edge; anterior edge convex ( Fig. 24 )................................... Helicopsyche revelieri 4 Propleural anterior process straight and tapering only apically ( Fig. 36 ); submentum broadly triangular, with blunt posterior tip ( Fig. 37 )............................................................................. Helicopsyche sperata - Propleural anterior process curved anterad and gradually tapering throughout its length ( Fig. 9 , black arrow); submentum heart-shaped, with pointed posterior tip ( Fig. 4 )......................................... Helicopsyche megalochari