20–22 Sericostoma herakles Malicky, 1999, final instar larva 20 Metanotum and abdominal segment I, right lateral (arrow: lateral protuberance with black, comma-like marking dorsally of lateral protuberance seta) 21 Tip of abdomen, dorsal 22 Larva in case, right lateral 23 Schizopelex huettingeri Malicky 1974, final instar larva. Pronotum, right lateral (dotted line: straight ventral margin of pronotum) 24–25 Oecismus monedula (Hagen 1859) 24 final instar larva, right lateral (arrow: lateral protuberance without black, comma-like marking dorsally of lateral protuberance seta) 25 Tip of abdomen, dorsal 26 Sericostoma sp., final instar larva. Detail of pronotum (right lateral) showing conically prolonged and pointed anterolateral corner (white circle) and curved ventral outline (black dots). Scale bars: 1 mm (except 23–26: 0.5 mm).