FIGURES 20–22 in The larva of Schizopelex huettingeri Malicky 1974 (Trichoptera: Sericostomatidae), including a preliminary key to the Sericostomatidae larvae of the Hellenic western Balkan region

FIGURES 20–22. SericoStomatidae genn., Spp., final inStar larvae. FIGURES 20–21. Sericostoma Sp.: 20, meSo-, metanota, and abdominal SegmentS I and II, right lateral (arroW = lateral protuberance With black, comma-like marking dorSal of lateral protuberance Seta); 21, tip of abdomen, dorSal. FIGURE 22. Oecismus monedula (Hagen 1859), tip of abdomen, dorSal. Scale barS: 0.5 mm.