Key to separate 4 species in the Homoneura (Homoneura) picta group

[Modified from Shi and Yang 2014]

1. Frons with brown short stripes not extending to ocellar triangle; face with a pair of brown reverse V-shaped lateral stripes under base of antenna; palpus yellow except for black at tip; mesonotum with 2–3 pairs of strong acrostichal setae except for a pair of strong prescutellar setae; surstylus hook-like, with several setulae; hypandrium with apodeme extremely broadened posteriorly to form a lobe; phallus broad with a pair of dorsal teeth and two pairs of ventral teeth................................................................................................... .. H. (H.) trypetoptera (Hendel)

- Frons with two brown long medial stripes extending to ocellar triangle; face and palpus not as above; mesonotum without other strong acrostichal setae except for a pair of strong prescutellar setae; male genitalia not as above................... 2

2. Scutellum blackish brown with a grayish pruinose spot on anterior half; surstylus short claw-like, slightly curved upward and blunt apically; hypandrial apodeme slender, close each other apically; phallus with a deep apical incision, phallic apodeme longer than phallus in ventral view......................................................... H. (H.) picta (Meijere)

- Scutellum blackish brown without grayish pruinose spot; surstylus not as above.................................... 3

3. Mesonotum with acrostichal setae in 6 rows; surstylus with three sharp teeth (Fig. 6)........ .. H. (H.) euaresta (Coquillett)

- Mesonotum with acrostichal setae in 4 rows; surstylus small triangular and acute apically... H. (H.) procerula Gao and Yang