Myiomma, Puton, 1872

Key to species of East Asian Myiomma View in CoL

1. Pronotum entirely brown to black, without a pale spot (lateral margin reddish brown in M. zhengi View in CoL ).................... 2

- Pronotum with a pale spot, lateral margin with pale portion (often entirely dark brown in M. kukai View in CoL male)............... 8

2. Inner margin of compound eye conjoined.................................................................. 3

- Inner margin of compound eye narrowly separated from each other............................................. 5

3. Body large, about 2.70 mm ....................................................................... M. altica View in CoL

- Body comparatively small, about 2.1–2.4 mm .............................................................. 4

4. Male procoxa and all femora pale brown. Female with mostly pale hemelytra, partly darkened at corial margin along clavus and inner-apical margin. Inner margin of left paramere sensory lobe with distinct protrusion, outer margin smooth..................................................................................................... M. takahashii View in CoL

- Male coxae mostly dark brown and femora dark brown with a reddish tinge and pale apices. Female with blackish brown hemelytra. Inner margin of left paramere sensory lobe with weak protrusion, outer margin angulate with border of hypophysis.................................................................................... M. koreana sp. nov.

5. Basal half of hemelytra with distinct entirely pale portion............................................... M. choui View in CoL

- Hemelytra widely dark brown, often with narrow, pale markings at base.......................................... 6

6. Cuneus with a pale or whitish band basally...................................................... M. ussuriensis View in CoL

- Cuneus not basally pale or whitish, unicolorous............................................................. 7

7. Labium reaching posterior margin of abdominal sternum I......................................... M. qinlingensis View in CoL

- Labium reaching abdominal sternum IV............................................................ M. zhengi View in CoL

8. Basal half of metafemur darkened........................................................................ 9

- Basal half of metafemur pale yellow to pale brown......................................................... 10

9. Hypophysis of left paramere with pointed, beak-shaped apex............................................ M. kukai View in CoL

- Hypophysis of left paramere with somewhat blunt apex, thickness almost uniform...................... M. samuelsoni View in CoL

10. Apical half of metafemur with a brown to dark brown spot......................................... M. kentingense

- Apical half of metafemur without a distinct spot........................................................... 11

11. Mesoscutum widely dark, lateral margin narrowly pale. At least anterior 1/3 of pronotum blackish........ M. austroccidens

- Mesoscutum medially dark, laterally tinged with orange. Pronotum pale, partly darkened along callus......... M. minutum View in CoL