microchaeta & adult thorax
scutellum & macrochaeta
RK2. Thoracic microchaetae are irregularly distributed, and occasionally are reduced in number. Macrochaetae are smaller than normal and are reduced in number on the scutellum. Eyes are smaller than normal and rough. Wings are ovoid and shortened. Tergites are somewhat abnormal in females.
Thoracic hairs irregularly distributed, occasionally reduced in number. Bristles small, sparse on scutellum. Eyes small and rough. Wings ovoid and short. Tergites in female sometimes disarranged. Viability and fertility good in both sexes. mc2/mch is wild type. RK2.
Allelism inferred from location of mc2 at 52.1 and from phenotype.
Fahmy, 1955.