Key to the males of Antillocladius Saether

1. Squama bare (Fig. 16 D); Mexico ..................................... A. zempoalensis new species

— Squama with setae ......................................................................................................... 2

2. Anal point nearly parallel­sided with numerous, weak, partly anterior 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 posterolateral 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 ........................................... 6

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

— Inferior volsella a long posteromedially directed simple or apically bifid lobe, costal

extension of moderate length ....................................................................................... 5 4. Inferior volsellae triangular, leaf­like (Fig. 5 D); Brazil ............... A. folius new species

— Inferior volsella small, sharply pointed (Fig. 3 D); Brazil ............. A. biota new species

5. Inferior volsella apically bifid (Fig. 13 C); Brazil ................ A. sooretama new species

— Inferior volsella simple (Fig. 14 D); Brazil, Venezuela ............ A. ubatuba new species

6. Virgaatleastnearlyaslongashalfphallapodemelength; wingmembranewithapicalsetae ....................................................................................................................................... 7

— Virga absent or short; wing membrane with or without apical setae .......................... 11

7. Anal point with numerous weak setae; inferior volsella weak (Fig. 15 D); Venezuela, Ecuador ....................................................................... A. venequatoriensis new species

— Anal point with strong, stiff setae; inferior volsella well developed............................ 8

8. Wing with few setae apically in cell r4+5; AR 1.4–1.7................................................. 9

— Wing with more numerous apical setae present also in cells m1+2 and sometimes m3+4; AR 1.0–1.6 ................................................................................................................. 10

9. Virga nearly as long as phallapodeme (Fig. 9 E); Brazil .............. A. musci new species

— Virga less than half as long as phallapodeme; China, Thailand ...................................... ........................................................................................... A. zhengi Wang and Saether

10. Virga about 2/3 as long as phallapodeme; squama with 5–6 setae; cell m3+4 with sev­ eral setae; Ecuador, Mexico, Nicaragua, USA ............................ A. pluspilalus Saether

— Virgahalfaslongasphallapodeme;squamawith 8–13 setae;cellm3+4 bare; China, Russia ................................................................................... A. scalpellatus Wang and Saether

11. Virga consisting of 2 or 6 very short spines; costal extension short .......................... 12

— Virga absent; costal extension long............................................................................ 13

12. Virga consisting of 6 spines; inferior volsella with digitiform dorsal anterior lobe cov­ ering rounded posterior, ventral lobe (Fig. 4 F); Mexico A. calakmulensis new species

— Virga consisting of 2 spines; inferior volsella apically divided into 2 semicircular lobes (Fig. 8 F); Mexico ................................................................ A. herradurus new species

13. Inferior volsella a well set off circular lobe with additional posterior semicircular extension; wing membrane bare; Brazil, Mexico, Venezuela, USA A. arcuatus Saether

— Inferior volsella a well set off circular lobe; wing membrane usually with setae ...... 14

14. Wing membrane with numerous apical setae, present also in cell m3+4; Ecuador .......... ................................................................ A. skartveiti Andersen and Contreras­Ramos

— Wing membrane with 0–3 setae apically in cell r4+5; Brazil, Saint Vincent, Venezuela ...................................................................................................... A. antecalvus Saether