FIGURES 34–40. Helicopsyche spp. 34–37, Helicopsyche sperata McLachlan 1876a in The larvae of the European Helicopsyche species (Trichoptera: Helicopsychidae)

FIGURES 34–40. Helicopsyche spp. 34–37, Helicopsyche sperata McLachlan 1876a, final instar larva: 34, head, dorsal; 35, head, right lateral; 36, right propleuron, right lateral; 37, head, ventral. 38, Collecting site where larvae of H. sperata were attached to the lower surfaces of stones several meters downstream of a spring outlet at Agra (Tessino, Switzerland). 39–40, Helicopsyche lusitanica McLachlan 1884, final instar larva (redrawn after Vieira-Lanero et al. 2001): 39, right propleuron, right lateral; 40, submentum, ventral. Scale bars: 0.1 mm.