74–75 Metasomal segment 1, ventral view. S1 = sternite 1, T1 = tergite 1 74 Rhyssa lineolata (Kirby) 75 Megarhyssa macrura (Linnaeus). Arrow indicates S1 fused to T1 posteriorly 76–79 Anterior tergites of metasoma 76 Lateral view, Olesicampe sp. Arrow points to thyridium 77 Dorsal view, Patrocloides montanus (Cresson). gs = gastrocoelus (delineated by dotted line), th = thyridium (linear, posterior part of gastrocoelus), ps = pseudothyridium, T2 = tergite 2 78–79 Lateral view 78 Patrocloides montanus sp = spiracle. T3 = tergite 3 79 Netelia sp. Arrow indicates crease separating tergite 3 and laterotergite 3. L2 = laterotergite 2, L3 = laterotergite 3.