| Recorded from China, Korea and Russia with one species from Japan |
Recorded only from Japan |
| Elytra black, may have fine paler margins, or elytra yellow |
Elytra black |
| Pronotal width slightly less than humeral width |
Pronotal width subequal to humeral width |
| Pronotal lateral margins divergent along length or subparallel-sided in posterior half |
Pronotal lateral margins slightly divergent along length |
| Elytra with no well defined interstitial lines |
Elytra with at least two well defined interstitial lines |
| Base of epipleuron wide |
Base of epipleuron narrow |
| Humerus narrowly visible or not visible from beneath |
Humerus widely visible from beneath |
| Epipleuron visible at elytral margins level with or anterior to posterior margin of MS |
Epipleuron visible at elytral margins well behind posterior margin of MS |
| Male V 7 without angulate corners |
V 7 with angulate corners |
| Male LO retracted to anterior half of V 7 |
LO occupies most of V 7 |
| Aedeagal BP without median notch |
Aedeagal BP usually with median notch |
| ML of aedeagus with apical area much narrower than rest |
ML of aedeagus with apical area not much narrower than rest |
| Lateral margins of posterior area of aedeagal sheath sternite with toothed projections |
Lateral margins of posterior area of aedeagal sheath sternite without toothed projections |
| Posterior area of aedeagal sheath sternite about as wide as anterior area except for A. lateralis |
Posterior area of aedeagal sheath sternite much narrower than anterior area |
| Female with thin apically acute bursa plates |
Female no bursa plates |
| Female MO plate elongated may project into vagina |
Female MO plate short, not much wider than long, not projecting into vagina |