Imprecise excision of the P{lacW} element; 3.5kb of P-element sequence remains and there is a 0.3kb deletion in the 5' UTR. The translation start site of bun is retained.
decreased body size (with bunrI043)
lethal (with bun04230)
lethal (with bun06903)
lethal (with bunk02903)
lethal (with Df(2L)prd1.7)
partially lethal - majority live (with bunrI043)
leg (with bunrI043)
wing vein (with bunrI043)
bunout4/bunrI043 escapers are smaller than wild type and have slightly bent legs and defects in wing venation.