Homoneura ( Homoneura ) picta (Meijere, 1904)

Shen, Rongrong, Shi, Li, Li, Wenliang & Wang, Junchao, 2018, A new species of subgenus Homoneura from Northern China, with information of 12 species newly recorded (Diptera: Lauxaniidae: Homoneura), Zootaxa 4418 (6), pp. 501-525 : 503

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

Figures

FIGURES 6–10. Homoneura (Homoneura) euaresta (Coquillett, 1898). Non-type male genitalia: 6. syntergosternite and epandrium complex, lateral View; 7. epandrium, posterior View; 8. syntergosternite, anteior View; 9. phallus complex, Ventral View;10. phallu complex, lateral View.