Antillocladius Saether, 1981

Mendes, Humberto Fonseca & Andersen, Trond, 2008, A review of Antillocladius Saether and Litocladius Mendes, Andersen et Saether, with the description of two new Neotropical genera (Diptera, Chironomidae, Orthocladiinae), Zootaxa 1887 (1), pp. 1-75 : 19-20

Key to the males of Antillocladius Saether

1. Squama bare. Mexico........................................................... A. zempoalensis Mendes, Andersen et Saether

- Squama with at least one seta.......................................................................................................................2

2. Anal point nearly parallel-sided with numerous, weak, partly anteriorly directed setae; inferior volsella either pointed triangular or consisting of a long apically simple or bifid lobe; wing bare...........................3

- Anal point tapering with numerous, usually strong and posterolaterally directed setae; inferior volsella either with a dorsal anterior triangular to digitiform part and a more rounded ventral lobe or circular with or without additional rounded posterior extension, and conspicuously set off; wing usually with apical setae..............................................................................................................................................................9

3. Inferior volsella pointed triangular; costal extension very long...................................................................4

- Inferior volsella consisting of a long posteromedially directed simple or apically bifid lobe; costal extension moderately long.....................................................................................................................................6

4. Inferior volsellae triangular, leaf-like. Brazil.................................... A. folius Mendes, Andersen et Saether

- Inferior volsella small, sharply pointed or with rounded apex.....................................................................5

5. Inferior volsella small, sharply pointed. Brazil.................................. A. biota Mendes, Andersen et Saether

- Inferior volsella with rounded apex. Brazil...................................................................... A. axitiosus sp. n.

6. Inferior volsella apically bifid.......................................................................................................................7

- Inferior volsella simple.................................................................................................................................8

7. Virga absent. Brazil................................................................... A. sooretama Mendes, Andersen et Saether

- Virga present. Brazil............................................................................................................ A. atalaia sp. n.

8. Inferior volsella uniformly colored, with sharply pointed apex. Brazil, Venezuela....................................... ...................................................................................................... A. ubatuba Mendes, Andersen et Saether

- Inferior volsella with a distinctly darker oral part bearing strong setae, with rounded apex. Brazil.............. ............................................................................................................................................ A. ultimus sp. n.

9. Virga at least nearly as long as half the length of phallapodeme; wing membrane with apical setae........10

- Virga absent or short; wing membrane with or without apical setae..........................................................16

10. Anal point with numerous weak setae; inferior volsella small. Venezuela, Ecuador..................................... ........................................................................................ A. venequatoriensis Mendes, Andersen et Saether

- Anal point with strong, stiff setae; inferior volsella well developed..........................................................11

11. Wing with few setae apically in cell r 4+5; AR 1.4–1.7.................................................................................12

- Wing with more numerous apical setae present also in cells m 1+2 and sometimes m 3+4; AR 0.9–1.6.........13

12. Virga nearly as long as phallapodeme. Brazil................................... A. musci Mendes, Andersen et Saether

- Virga less than half the length of phallapodeme. China, Thailand...................... A. zhengi Wang et Saether

13. Virga about two-third the length of phallapodeme.....................................................................................14

- Virga half the length of phallapodeme........................................................................................................15

14. Squama with 5–6 setae; cell m 3+4 with several setae. Ecuador, Mexico, Nicaragua, U.S. A........................... .................................................................................................................................... A. pluspilalus Saether

- Squama with 9–13 setae; cell m 3+4 bare. Japan............................................... A. yakyijeus (Sasa et Suzuki)

15. Cell m 3+4 bare; AR 1.22–1.56. China, Russia.............................................. A. scalpellatus Wang et Saether

- Cell m 3+4 with setae; AR about 1.0 (Holotype). India....... A. subnubilus (Sinharay et Chaudhuri) comb. n .

16. Virga consisting of 2 or 6 very short spines; costal extension short...........................................................17

- Virga absent; costal extension long............................................................................................................21

17. Virga consisting of 6 spines; inferior volsella with digitiform dorsal anterior lobe covering rounded posterioventral lobe. Mexico....................................................... A. calakmulensis Mendes, Andersen et Saether

- Virga consisting of 2 spines........................................................................................................................18

18. Inferior volsella apically split in 2 semicircular lobes. Mexico. A. herradurus Mendes, Andersen et Saether

- Inferior volsella not divided into lobes.......................................................................................................19

19. Wing with protruding anal lobe; inferior volsella with median, oblique fold. Brazil....... A. plicatus sp. n.

- Anal lobe weak or absent; inferior volsella consisting of single lobe ........................................................20

20. Costa distinctly extended; inferior volsella perpendicular to gonocoxite; setae on anal point weak. Brazil. ........................................................................................................................................... A. brazuca sp. n.

- Costa not extended; inferior volsella inclined in relation to gonocoxite; setae on anal point strong. Japan.. ................................................................................................................. A. tokarameneus (Sasa et Suzuki)

21. Inferior volsella a well set off circular lobe, or weak and adpressed to gonocoxite; wing membrane usually with setae....................................................................................................................................................22

- Inferior volsella a well set off parallel-sided or circular lobe with additional posterior semicircular extension; wing membrane bare..........................................................................................................................24

22. Inferior volsella with dorsal ridge; cell r 4+5 with few setae apically. Brazil...................... A. gephyrus sp. n.

- Inferior volsella simple...............................................................................................................................23

23. Wing membrane with numerous apical setae, present also in cell m 3+4. Ecuador........................................... .................................................................................................. A. skartveiti Andersen et Contreras-Ramos

- Wing membrane with 0–3 setae apically in cell r 4+5. Brazil, Saint Vincent, Venezuela................................. ..................................................................................................................................... A. antecalvus Saether

24. Inferior volsella a well set off circular lobe with additional posterior semicircular extension; costal extension> 54 µm long. Brazil, Mexico, Venezuela, U.S.A.................................................. A. arcuatus Saether

- Inferior volsella a well set off parallel-sided lobe with broadly rounded apex; costal extension <45 µm. Brazil............................................................................................................................. A. campususp sp. n.