1 | Distiphallus more strongly S-shaped in profile, directed more dorsally than apically; tubules separate, slightly divergent apically (Figs 493, 494). Paraphallus lobate with ventral sclerotisation | C.angulata (Loew) |
– | Distiphallus relatively straight, directed apically; tubules parallel, sometimes nearly confluent along length (Figs 503–505). Paraphallus band-like | C.subangulata (Malloch) |