Key to males of Tectocyphon

1 Dorsum with fine decumbent light-coloured pilosity.......................................................... 2

1' Dorsum with erect dark setae. Each penis sclerite with a large rounded knob, no teeth (Fig. 35)........... T. hispidus n. sp.

2 Elytra with fine dense punctures which become even finer next to the suture. Parameres distally with very large claw-like teeth, sides of trigonium also with large teeth (Figs. 36–38)............................................ T. victoriae n. sp.

2' Punctures on the elytra very fine and dense, not different along suture. Parameres and penis distally without large teeth (Fig. 31)................................................................................ T. microphallus n. sp.