Coelidia

Nielson, M. W., 2011, 2953, Zootaxa 2953, pp. 1-85 : 27

Key to species of Coelidia (males).

C. stali (Spångberg) known only from 2 females is not keyed.

1. Pygofer in lateral view with very long caudoventral process, extending far beyond dorsal margin of pygofer............. 2

- Pygofer in lateral view with long caudoventral process not reaching dorsal margin of pygofer......................... 3

2. Aedeagus glabrous except for small apical spine (Fig. 902, Nielson 1982); subgenital plate hirsute (Fig. 899, Nielson 1982); style very long and narrow, rugulose at apical ¼ (Fig. 901, Nielson, 1982)................. ( Panama) C. attenuata Nielson

- Aedeagus with long forked spine ( Fig. 8, Nielson 1996); subgenital plate with few short setae apically ( Fig. 13, Nielson 1996); style very long and robust ( Fig. 12, Nielson 1996)............................. ( Costa Rica) C. laselvensis , comb. nov.

3. Aedeagus with or without apical spine..................................................................... 4

- Aedeagus with 2 apical spines......................................................................... 12

4. Aedeagus without apical spine or with spine very small to very distinctive........................................ 5

- Aedeagus without apical spine, apex curved, inflated, shaft in lateral broadly sinuate (Fig. 894, Nielson 1982).............................................................................................( Ecuador) bulbata Nielson

5. Aedeagus with very small apical spine..................................................................... 6

- Aedeagus with very distinctive apical spine................................................................. 8

6. Style with apophysis long and slender...................................................................... 7

- Style with apophysis bulbous apically ( Fig. 20, Nielson 1998)..................................... aculeata Nielson

7. Pygofer in lateral view with caudodorsal process large, bulbous basally ( Fig. 19, Nielson 1983); subgenital plate setaceous on outer lateral margin ( Fig. 24, Nielson 1983)........................................... ( Brazil) C. cochloea Nielson

- Pygofer in later view with caudodorsal process narrow throughout ( Fig. 25, Nielson 1983); subgenital plate setaceous on inner latera margin ( Fig. 30, Nielson 1983)............................................... ( Panama) C. simplex Nielson

8. Style with very long, slender apophysis, length nearly as long as aedeagus........................................ 9

- Style with very short, robust apophysis, length less than half as long as aedeagus.................................. 11

9. Pygofer with caudoventral process bulbous or rectangulate apically............................................. 10

- Pygofer with caudoventral process not as above, corrugated in distal half (Fig. 864, Nielson 1982)................................................................................................. ( Venezuela) C. germari Nielson

10. Pygofer with caudoventral process bulbous apically ( Fig. 156); aedeagus with long, robust apical spine ( Fig. 161)................................................................................ ( Costa Rica) C. costaricensis , sp. nov.

- Pygofer with caudoventral process rectangulate apically ( Fig. 7, Nielson 1983); aedeagus with small, recurved apical spine ( Fig. 11, Nielson 1983)....................................................... ( Panama) C. panamensis Nielson

11. Aedeagus with apical half recurved, extending to midlength of shaft ( Fig. 5, Nielson 1983); subgenital plate profusely setose ( Fig. 6, Nielson 1983)............................................................ ( Brazil) C. retrorsa Nielson

- Aedeagus with apical ¼ recurved, extending to ¼ of lengthof shaft (Fig. 863, Nielson 1982); subgenital plate sparsely setose (Fig. 861, Nielson 1982)................................... ( Brazil, Colombia, Guyana, Paraguay) C. venosa Germar

12. Aedeagus with 1 long and 1 short apical spine.............................................................. 13

- Aedeagus with 2 very small, apical spines ( Nielson 1983: Figs 16, 17)........................( Brazil) C. tortula Nielson

13. Aedeagus with longest spine recurved to near midlength of shaft............................................... 14

- Aedeagus with longest spine recurved to about ¼ of length of shaft............................................. 16

14. Style shorter than aedeagus; aedeagus with longest spine very robust............................................ 15

- Style much longer than aedeagus (Fig. 877, Nielson 1982); aedeagus with longest spine very narrow (Fig. 876, Nielson 1982) ( French Guiana)...................................................................... C. nigra (Spångberg)

15. Pygofer very setose (Fig. 883, Nielson 1982; aedeagus in lateral view with broad shaft (Fig. 888, Nielson (1982)................................................................................... ( Colombia) C. gorgonensis Nielson

- Pygofer glabrous (Fig. 878, Nielson 1982); aedeagus in lateral view with narrow shaft.... ( French Guiana) C. gladia Nielson

16. Style longer than aedeagus ( Figs. 151, 152); aedeagus in lateral view with shaft very narrow, broadly sinuate, longest spine dorsoapical ( Fig. 153)........................................................ ( Colombia) C. angulata , sp. nov.

- Style shorter than aedeagus (Fig. 870, Nielson 1982); aedeagus in lateral view with shaft broad, narrowly sinuate, longest spine ventroapical (Fig. 873, Nielson 1982)..................................... ( Colombia, Panama) C. atra Walker