Lindsley & Grell, 1972, pp. 16-17
discoverer: Morgan, 23a.
synonym: no-wings; later, ap-c.
references: 1929, Carnegie Inst. Wash. Publ. No. 399: 183.
phenotype: Like ap (apterous): wings and halteres reduced to traces. Bristles eliminated from area around wing base (including posterior notopleurals, anterior, and posterior supra-alars, anterior postalars); posterior scutellars erect when present, but missing in first counts; dorsocentrals smaller and fewer; hairs on thorax sparse and irregular. Sutural furrow reduced; thorax disproportionately small. Flies small, pale, weak, and very short-lived. Viability about 70 percent that of wild type, but erratic. Both sexes sterile. RK2).
color figure: P. A. Otto (original)
b & w figure: Morgan, Bridges and Sturtevant, 1925, The Genetics of Drosophila, Bibliog. Genet. 2: 1-262 (original drawn by Edith M. Wallace)