Lindsley & Grell, 1972, p. 13
origin: Spontaneous.
discoverer: Bridges, 33g2.
phenotype: Aristae absent or much reduced. Thorax has wide bare area or
groove down midline with divergent hairs and bristles; sternopleurals
absent. Wings have weakened L2 vein and delta at tip of L3. Female
sterile. Viability about 10 percent of wild type. RK3.
color figure: P. A. Otto (original)
b & w figure: Edith M. Wallace, unpublished