Tribolium: Home | Linkage Groups | Mutants
ab = antenna bifurcata
Gene: ab
Feature/structure: Antennae and trochanter of legs
Linkage Group:  9 
Origin: Colombia
Description: • The antennae are branched, usually at the pedicel [second segment out from head]. Size of the branch varies from a small projection, up to 1/3 the length of the antenna. The projection sometimes appears to be segmented.
• Spikes on the trochanter usually appear at basal edge and vary in size. Some appear segmented. Less commonly found than branches on antennae.
• Male sterile.