Flies are rather small and inviable, with abnormally shaped eyes and wings. Bristles are frequently waved or bent, and the postscutellars are often held upright. Tarsi are reduced in length amd sometimes deformed. Males are sterile.
Tarsi short and sometimes deformed. Body small. Eyes and wings small and abnormal. Bristles often waved or bent; postscutellars often held upright. Male sterile. RK2.