Hind wing and abdominal ventrite 5 A–G hind wings: A Colossochares ellipticus B Primocerus gigas C Helobata larvalis D Crucisternum ouboteri E Tobochares sipaliwini F Quadriops similaris G Tobochares microps H–J abdominal ventrite 5: H Aulonochares tubulus I Primocerus neutrum J Ephydrolithus hamadae. Scale bars: 1 cm (A); 3 mm (B, C); 1 mm (D–F); 0.5 mm (G).