Datomicra Mulsant & Rey

Key to Korean species of the subgenus Datomicra Mulsant & Rey

1. Male abdominal tergite VIII not modified, without processes...................................................2

- Male abdominal tergite VIII modified or with processes.......................................................3

2. Abdominal tergites with transversely striate microsculpture................................... A. ( D.) pyongangsani View in CoL

- Abdominal tergites with imbricate or reticulate microsculpture.................................... A. ( D.) sordidula View in CoL

3. Abdominal tergite VIII with five macrosetae on each side of midline.................. A. ( D.) semidentiventris View in CoL sp. nov.

- Abdominal tergite VIII with four macrosetae on each side of midline............................................ 4

4. Abdominal tergites with imbricate microsculpture; abdominal tergite II with one posterior macrosetae on each side of midline....................................................................................................5

- Abdominal tergites with reticulate microsculpture; abdominal tergite II with two posterior macrosetae on each side of midline................................................................................................... 6

5. Labium with ligula long and slender; abdominal tergite III with two posterior macrosetae on each side of midline.................................................................................................... A. ( D.) celata View in CoL

- Labium with ligula short and broad; abdominal tergite III with three posterior macrosetae on each side of midline.................................................................................................... A. ( D.) nigra View in CoL

6. Body length more than 2.0 mm; macrochaetal arrangement of abdominal tergites IV–V 23–23......... A. ( D.) dentiventris View in CoL

- Body length less than 2.0 mm; macrochaetal arrangement of abdominal tergites IV–V 13–13.........................7

7. Antennomere 4 as long as wide; male abdominal tergite VIII with four distinct processes; spermatheca without umbilicus.......................................................................................... A. ( D.) dadopora View in CoL

- Antennomere 4 slightly transverse; male abdominal tergite VIII with four indistinct processes; spermatheca with umbilicus elongate................................................................................ A. ( D.) lewisiana View in CoL