viable
visible | recessive
wing
wing vein
Homozygote has small blistered wings with extraneous vein material between L2 and L3.
bsF31/bs[+] is an enhancer of wing phenotype of Delta9P
bsF31/bs[+] is an enhancer of wing phenotype of DeltaFE32
Dominant enhancer of Dl9P and DlFE32 wing phenotype, with variable penetrance and expressivity.