Eremomukha Mostovski, 1996

Zhang, Kuiyan, Yang, Ding & Ren, Dong, 2014, New short-horned flies (Diptera: Eremochaetidae) from the Early Cretaceous of China, Zootaxa 3760 (3), pp. 479-486 : 485

Subgenus Eremomukha Mostovski, 1996

FIGURES 3–4

Eremomukha (Eremomukha) tsokotukha Mostovski, 1996

Eremomukha (Eremomukha) tsokotukha Mostovski, 1996: 118 .

Eremomukha (Eremomukha) insidiosa Mostovski, 1996: 118 . syn. nov.

New material. Body with a pair of wings in dorsal view. No. CNU-DB-LB2011026, housed in Key Lab of Insect Evolution & Environmental Changes, Capital Normal University, Beijing, China.

Additional description. Male, body length 14.7 mm; wing length 10.2 mm, width about 2.3 mm; hind femur about 5.7 mm. Head narrower than thorax. Eyes bare, approaching holoptic in dorsal view. Antennae 3 segments, arista bristle-like, arising from the top of flagellum.

Thorax black. Hind legs femora and tibiae obviously slender with apical part not swollen. Wing long, almost as long as abdomen; veins not well-developed. Vein Sc extending over half length of wing. Vein R1 long, ending nearly at apical 1/7 of wing; vein R2+3 originating from middle of Rs; R4 present, short; vein R4+5 arising from apical part of cell d. Crossvein r-m absent. Vein M with 3 branches, M1 and M2 approaching each other at base. Vein CuA, straight, and vein A1 converged with a short petiole; vein CuP visible. Cell sc wide open; cell br slightly longer than cell bm; cell cup closed, longer than cell br.

Abdomen elongate with 9 visible segments. Segment I shortest and widest. Segments II to VI rectangle, segments VII and VIII shorter than formers, sub-square. Segment IX smallest, details of anatomic structure undistinguished, because of the preserved state.

Locality and horizon. Collected from near Chaomidian Village, Beipiao City, Liaoning Province, China. Early Cretaceous Yixian Formation outcrop.

Figures

FIGURES 3 – 4. Eremomukha (E.) tsokotukha Mostovski, 1996. Body with a pair of wings in dorsal view. (3) photograph; (4) camera lucida drawing.