Anaclastoctedon, Plant, 2010

Plant, Adrian R., 2010, Anaclastoctedon (Diptera: Empididae: Hemerodromiinae), A New Genus From Asia And Australia, Raffles Bulletin of Zoology 58 (1), pp. 15-25 : 19

Key to species of Anaclastoctedon new genus

1. Very small blackish species (≤ 1.9 mm); head distinctly dosoventrally flattened, with dense pile on lower occiput behind mouth [ Thailand] ....................................... A. lek new species

– Larger blackish or yellowish species (≥ 2.0 mm); head slightly dorsoventrally flattened, with at most only scattered setulae on lower occiput behind mouth ................................................. 2

2. Ground colour of thorax blackish, (never appearing yellowish from any viewpoint); T 2 with distinct apicoventral seta, clearly stronger than surrounding setulae; parameral sheath with strong recurved dorsal processes ...................................................... 3

– Ground colour of thorax yellowish (sometimes appearing blackish from certain viewpoints); T 2 without distinct apicoventral seta; parameral sheath lacking strong recurved dorsal processes ..................................................................... 4

3. Legs dark yellow; lower postocular setae blackish, weak; wing membrane and veins brownish; parameral sheath with two recurved sharply pointed apical processes [ Australia] ............ ..................................................... A. ancistrodes , new species

– Legs pale yellow; lower postocular setae yellowish, strong; wing membrane and veins yellowish; parameral sheath with one sharply pointed apical process [ Australia] ........................ .......................................................... A. prionton , new species

4. Scutum clear yellow, with sublateral brown stripes posteriorly [ Thailand] .......................................... A. antarai , new species

– Scutum dirty yellowish, sometimes appearing variably blackish in certain lights, without darker sublateral stripes [ Nepal] ..... .................................................................. A sano new species