Dicodia

Nielson, M. W., 2011, 2953, Zootaxa 2953, pp. 1-85 : 10-11

Key to species of Dicodia (males)

1. Aedeagus with single spine apically; pygofer in lateral view with caudoventral process attenuated in distal half (Fig. 672, Nielson 1982)............................................................................................ 2

- Aedeagus with 2 spines apically (Fig. 666, Nielson 1982); pygofer in lateral view with caudoventral process broad in distal half (Fig. 662, Nielson 1982)................................. ( Peru, Ecuador) D. rhombifer (Linnavuori) , comb. nov.

2. Pygofer with caudoventral process slightly sinuate, transversely corrugated along middle............................. 3

- Pygofer with caudoventral process broadly curved, not corrugated ( Fig. 1); aedeagus with recurved apical spine ( Fig. 6).............................................................................. ( Colombia) D. recurvata , sp. nov.

3. Forewing with 2 large, pale ochraceous spots on costa; aedeagus with needlelike apical spine (Fig. 677, Nielson 1982)......................................................................... ( Brazil, Argentina) D. variegata (Germar)

- Forewing without such spots on costa; aedeagus with stout apical spine (Fig. 672, Nielson 1983)..................................................................................................... ( Bolivia) D. germari Nielson