7343bp deletion that removes the entire coding regions of vas and solo. The deletion removes the second and third of the three exons common to vas and solo, plus all of the solo-specific and vas-specific exons (see FBrf0102626).

Most mutant female germline cysts show either a normal restriction of the synaptonemal complex (SC) to one cell, or no SC at all. Rare cysts show 2 cells in synapsis in region 2b, but most of the cysts have lost the SC by the time they reach region 3.