Matsumyia Shiraki, 1949

Huo, Keke & Ren, Guodong, 2006, A key to known species of Mastumyia Shiraki (Diptera, Syrphidae) from China, with descriptions of two new species, Zootaxa 1374, pp. 61-68 : 63

Key to known species of the genus Matsumyia Shiraki, 1949

1. The 2nd and 3rd abdominal tergites marked with triangular orange spots laterally; the 3rd and 4th tergites with a pair of white pruinosity transverse bands situated nearly at the middle laterally and broadly separated at inner ends ................. M. bimaculata sp. nov.

- Abdominal tergites not as above ................................................................................... 2

2. Face protruded but never conically; scutum with two pairs of narrow dull stripes ........ ................................................................................................................... M. ferdinandi

- Face protruded conically at lower half .......................................................................... 3

3. Head dull yellow; scutum without stripes; in male hind femora strongly thickened, surstyli broader apically, with ventral margin protruded medially .................. M. jesoensis

- Head black; scutum with stripes; in male hind femora less thickened, surstyli tapered narrowly at apical part, finger-shaped........................................................................... 4

4. Legs black; male vertex white pollinose before ocellar triangle, face covered with white tomentum, longitudinal median stripe black, bare, extending from facial tubercle to oral margin; female face black ....................................................... M. nigrofacies

- Legs reddish brown; male vertex black pilose, face clothed with whitish yellow tomentum but bare laterally below eyes, black facial stripe absent; female face dull rufouse .......................................................................................... M. zibaiensis sp. nov.