Typhlocybella Baker

Key to males of genus Typhlocybella Baker (excluding T. minuta (DeLong))

1. Male pygofer without processes. Aedeagus with pair of processes not extending well beyond apex of shaft............... 2

1’. Male pygofer with processes. Aedeagus with pair of ventral processes extending well beyond apex of shaft.............. 4

2. Male pygofer with notch in middle of posterior margin........................................................ 3

2’. Male pygofer without notch, with tiny spines on posterodorsal margin. Aedeagus with pair of lateral processes (Fig. 3 and 4). Crown with pair of dark brown spots............................................ T. maculata Caldwell y Martorell

3. Aedeagus with pair of ventral processes; aedeagal apex bifurcated (Fig. 12).................. T. parva. Ruppel y DeLong

3’. Aedeagus with pair of lateral processes projected dorsally, apex curved abruptly upward (Fig. 6)........... T. minima Baker

4. Male pygofer with dorsal spine-like process on caudal margin; aedeagus and aedeagal processes with several small spines (Fig. 1 and 2).............................................................................. T. maidica Catalano

4’. Male pygofer with ventral process curved dorsally; aedeagus and aedeagal processes with few small spines (Fig. 15 and 19)........................................................................................... T. affinis n. sp.