Asymphyloptera

Sinclair, Bradley J., 2015, New World species of Asymphyloptera Collin (Diptera: Empididae: Clinocerinae), Zootaxa 4048 (4), pp. 553-564 : 563

Key to males of New World species of Asymphyloptera

(male unknown for A. discrepans )

1 Hypandrium strongly produced posteriorly, with expanded, flattened ejaculatory apodeme ( Fig. 9 )..... A. chilensis sp. nov.

- Hypandrium rounded, not strongly produced posteriorly, with slender, rod-like ejaculatory apodeme ( Figs 8, 11 , 13–16 ).... 2

2 Surstylus digitiform, with rounded tip; phallus with apex arched anteriorly ( Fig. 11 ).............. A. chiricahua sp. nov.

- Surstylus slender and tapered toward narrow apex; phallus either gradually arched posteriorly or apex sharply bent anteriorly ( Figs 8 , 13–16 )...................................................................................... 3

3 Phallus straight, not arched; apex of phallus distinctly bent anteriorly ( Figs 14, 16 )................................. 4

- Phallus slightly to strongly arched posteriorly; apex arched posteriorly or expanded laterally ( Figs 8 , 13, 15 )............ 5

4 Apex of phallus strongly bent anteriorly; apex of postgonite sharply pointed ( Fig. 16 )............... A. mexicana sp. nov.

- Apex of phallus expanded anteriorly; apex of postgonite rounded to slightly pointed ( Fig. 14 ).......... A. havasu sp. nov.

5 Phallus slightly arched; apex of phallus expanded laterally ( Fig. 8 )............................. A. cajanuma sp. nov.

- Phallus strongly arched posteriorly; apex of phallus expanded posteriorly ( Figs 13, 15 )............................. 6

6 Apex of phallus with jagged lateral margin ( Fig. 13 )......................................... A. dominica sp. nov.

- Apex of phallus lacking jagged margin ( Fig. 15 )................................................ A. lutea sp. nov.

Figures

FIGURES 8 – 12. Antenna and terminalia of Asymphyloptera, lateral views. 8, A. cajanuma sp. nov., male; 9, A. chilensis sp. nov., male; 10, A. chiricahua sp. nov., antenna; 11, A. chiricahua sp. nov., male; 12, A. chiricahua sp. nov., female. Scale bars = 0.1 mm. Abbreviations: cerc—cercus; ej apod—ejaculatory apodeme; epand—epandrium; hypd—hypandrium; ph—phallus; sur—surstylus.

FIGURES 13 – 16. Male terminalia of Asymphyloptera, lateral views. 13, A. dominica sp. nov.; 14, A. havasu sp. nov.; 15, A. lutea sp. nov.; 16, A. mexicana sp. nov. Scale bars 0.1 mm. Abbreviations: pgt—postgonite; ph—phallus; sur—surstylus.