Haltere are transformed to wing and are 5-7.5% of wing size, dorsal tissue of T3 is incompletely transformed to metanotum, hypopleural plates are incompletely transformed to sternopleural plates, 3-5 hypopleural bristles are still present and the anterior third leg displays a strong transformation to anterior second leg, as seen by the bristle pattern. Phenotype can be suppressed by su(Hw) mutation.
Ubxbx-G has phenotype, suppressible by su(Hw)unspecified
Gans.