Expression of B1512B1512 under the control of Scer\GAL4dpp.blk1 results in shortened and deformed legs (mainly affecting the tarsi). The arista is reduced or absent and the third antennal segment is deformed. The anterior crossvein is missing, the wing margin is affected and wing vein L3 is sometimes incomplete. Ectopic bristles are seen.
Flies expressing B1512B1512 under the control of Scer\GAL4dpp.blk1 lack the anterior crossvein and have gaps in wing vein L3. Wing margin defects are seen as well as ectopic bristles on the wing. The tarsi are shortened.