FIGURES 18–21. Figures 18–20. Plectrocnemia brevis McLachlan 1871, 5 in The larva of Plectrocnemia renetta Malicky 1975 (Trichoptera, Polycentropodidae), including a discriminatory matrix to the larvae of Plectrocnemia Stephens 1836 species of Greece

FIGURES 18–21. Figures 18–20. Plectrocnemia brevis McLachlan 1871, 5th instar larva: 18, abdominal segment IX, ventral (ip = innermost primary seta; op = outermost primary seta; p = intermediate primary setae); 19, abdominal segment IX, dorsal, posterolateral setal trio (is = inner secondary seta; os = outer secondary seta; p = primary seta); 20, head and prothorax, dorsal (dotted lines = half-trapezoidal pattern of spots on posterior frontoclypeus, about 85°). Figure 21. P. c. conspersa (Curtis 1834), 5th instar larva, head, dorsal (dotted curved line = shallow arc pattern of spots on posterior frontoclypeus, about 85°). Scale bars: 0.5 mm.