lethal | recessive
visible | dominant
interommatidial bristle
ocellar bristle
ommatidium
orbital bristle
posterior notopleural bristle
postocellar bristle
presutural bristle
supraalar bristle
wing
wing vein L2
wing vein L3
wing vein L4
wing vein L5
Wing veins L2 to L5 short; characteristic loss of head & thoracic bristles; wing wide, with folded margins; ommatidia disarranged; interommatidial bristles short.