visible | recessive
abdomen
anterior notopleural bristle
mesothoracic tarsal bristle
scutellar bristle
wing
Anterior notopleural macrochaetae are removed.
Like sc but scutellars always absent. Abdomen swollen and wings poorly expanded, like Df(1)ase-1. RK2A.
The number of bractless bristles on the basitarsi of the second legs is reduced.
Levit, 1929.