Helicopsyche sperata, R McLachlan, 1876

Waringer, Johann, Malicky, Hans, Živić, Ivana & Vicentini, Heinrich, 2017, The larvae of the European Helicopsyche species (Trichoptera: Helicopsychidae), Zootaxa 4277 (4), pp. 561-572 : 565

Helicopsyche sperata . Diagnosis. Dorsally, the head capsule has only 17 pairs of primary setae ( Figs. 34, 35 ). The propleuron in lateral view has a curved dorsal outline; its anterior process is long and tapering only apically ( Fig. 36 ). Submentum broadly triangular, with blunt ventral posterior tip ( Fig. 37 ). The larva was described by McLachlan (1876b) and Felber (1908a, 1908b).

Figures

FIGURES 34 – 40. Helicopsyche spp. 34 – 37, Helicopsyche sperata McLachlan 1876 a, 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.