Achelipoda

Plant, Adrian R., 2009, Revision of the east Asian genus Achelipoda Yang, Zhang & Zhang, 2007 (Diptera: Empididae: Hemerodromiinae) including designation of a neotype for Achelipoda pictipennis (Bezzi, 1912) and descriptions of six new species, Zootaxa 2020, pp. 37-50 : 40

Key to Achelipoda species

1. Thorax black, hind coxa distinctly broader than mid coxa........................................................................................... 2

- Thorax yellowish or brown, hind coxa not obviously broader than mid coxa ............................................................. 3

2. CuA2 not reaching wing margin (Fig. 10), wing blackish with only apex paler. Female hind tibia lacking posteroapical spur ...................................................................................................... [ Thailand] 2. Achelipoda kharkhema sp. n.

- CuA2 reaching wing margin, wing clear with distinct but diffusely edged dark bands subapically and level with ends of basal cells. Female unknown .............................................................. [ Vietnam] 7. Achelipoda vietnamensis sp. n.

3. Thorax brown, sometimes yellowish brown laterally. Wing with two distinct dark bands. Female hind tibia simple, not at all inflated and without posteroapical spur ......................................[ Thailand] 3. Achelipoda ngamlailai sp. n.

- Thorax yellow, at most slightly brownish on scutum and scutellum. Wing with or without darker markings. Female hind tibia sometimes inflated (Fig. 9) or with a posteroapical spur.............................................................................. 4

4 Wing with two distinct broad dark bands, one subapically and the other level with ends of basal cells. Female hind tibia without posteroapical spur ................................................................ [ Taiwan] 4. Achelipoda pictipennis (Bezzi)

- Wing infuscated, sometimes only on apical third and sometimes with apex clear but never with two distinct dark bands. Female hind tibia with or without posteroapical spur ....................................................................................... 5

5. Wing with distinctly darkened subapical band but apex clear, very narrowly darkened about ends of basal cells. Scape with dorsal seta long, extending almost to end of pedicel. Male with strong dorsal seta on fore trochanter. Females with strong posteroapical spur.................................................. [ Indonesia] 5. Achelipoda subobscura sp. n.

- Wing rather faintly infuscated. Scape with dorsal seta short, not reaching end of pedicel. Male without strong dorsal seta on fore trochanter. Female hind tibia simple or inflated, posteroapical spur present but sometimes small .......... 6

6. Anterior lobe of male cercus with sharply pointed black anteriorly directed process ( Fig. 5 ). Female hind tibia inflated, obviously wider than mid tibia (Fig. 9) ...........................................[ Singapore] 6. Achelipoda tumida sp. n.

- Anterior lobe of male cercus without sharply pointed black anteriorly directed process ( Fig. 2 .). Female hind tibia simple, slender, about as wide as mid tibia .................................................. [ Thailand] 1. Achelipoda kanaklua sp. n.

Figures

FIGURES 5 – 8. Genitalia of Achelipoda spp. 5 – 6. 3 genitalia, lateral view. 5. Achelipoda tumida sp. n. 6. Achelipoda vietnamensis sp. n. 7 – 8. Achelipoda tumida sp. n. Ƥ genitalia. 7. lateral view. 8. ventral view.

FIGURES 1 – 4. 3 genitalia of Achelipoda spp., lateral view. 1. Achelipoda kharkhema sp. n. 2. Achelipoda kanaklua sp. n. 3. Achelipoda pictipennis (Bezzi). 4. Achelipoda subobscura sp. n. Abbreviations: cal, anterior lobe of cercus; cml, median lobe of cercus; ej apod, ejaculatory apodeme; go apod, gonocoxal apodeme; ph, phallus; subep, subepandrial process.