lethal | recessive
Minute
visible | dominant
abdominal tergite
macrochaeta
posterior crossvein
Bristles small, sometimes absent; posterior vertical bristles bent downwards; abdominal tergites 'scaly' or abnormal; posterior crossvein with 'extra stumps'.
Allelism with Dkik\M2a not established.
T.C. Hsu, 44j2.