Male adult of Chaetocladius spp. C. castellae sp. n. (paratype-1): 14–15, gonocoxite, lateral and dorsal; 16, gonostylus in dorsal view. C. castellae sp. n. (paratype-2): 17, hypopygium in dorsal view; 18, dorsal lamellae of tergite IX. C. insolitus: 19, gonostylus in dorsal view; 20, anal point and tergite IX in lateral view; 21, dorsal lamellae of tergite IX.

  Part of: Moubayed-Breil J, Lods-Crozet B (2018) On the genus Chaetocladius s. str. Kieffer, 1911 from Switzerland with descriptions of five new relic species occurring in glacial alpine springs and streams (Diptera, Chironomidae). Alpine Entomology 2: 15-34.