P element insert at cytological position 60E5--60E6.
insert of ? at about 125 kb; Coordinates estimated from Cohen, Broenner, Kuettner, Jurgens and Jaeckle (1989); origin undefined; positive values extend to left.
Base of arista and distal most portion of AIII are transformed into tarsal structures.
Minor reductions in the tarsal region.
Posakony.
Weak Dll allele.
Very weak Dll allele.