Paralidia

Nielson, M. W., 2011, 2953, Zootaxa 2953, pp. 1-85 : 20

Key to species of Paralidia

1. Aedeagus with single, apical spine........................................................................ 2

- Aedeagus with 2–3 apical or subapical spines............................................................... 3

2. Pygofer with caudoventral process extending beyond caudodorsal process (Fig. 795, Nielson 1982); subgenital plate very narrow in basal 1/3 (Fig. 797, Nielson 1982)......................................... ( Brasil) P. plaumanni Linnavuori

- Pygofer with caudoventral process not as above ( Fig. 11, Nielson 1986); subgenital plate broad in basal half ( Fig. 15, Nielson 1986)...................................................................... ( Ecuador) P. singularis Nielson

3. Pygofer with caudoventral process extending beyond apex of caudodorsal lobe ( Fig. 34, Nielson 1986); aedeagus with 2 subapical spines ( Figs. 36, 37, Nielson 1986)............................................ ( Brazil) P. bispinosa Nielson

- Pygofer with caudoventral process not as above ( Fig. 18, Nielson 1986); aedeagus with 1 apical, 2 subapical spines ( Figs. 19, 20, Nielson 1986)................................................................ ( Brazil) P. retrorsa Nielson