Phenotype ap4-like. Wings and halteres reduced to vestiges. Bristles and hairs on sides absent, including posterior notopleurals, anterior and posterior supra-alars, and anterior postalars; dorsocentrals not reduced in size and number; one or a pair of pre-anterior dorsocentrals may be present. Posterior scutellars not erect when present. Sutural furrow normal; thorax of normal size. No adults live longer than 3 days; larval adipose cells persist in adult, and adult adipose tissue fails to develop. ap49j/Df(2R)M41A4 adult sterile, short lived, and has abnormal adipose tissue and short wing rudiments (FBrf0017003). RK2.
Df(2R)M41A4, ap49j has female sterile phenotype
Ritterhoff, Oct. 1949.
Similar to, but somewhat less extreme than, ap4.