In tshHD1/tshmd621 flies the trochanter is no longer detectable as a discrete segment and the coxa appears to articulate directly with the femur. Both coxas and femur are reduced in size. No sense organs can be recognised on the coxa and trochanter rudiment, but the sc11 group of campaniform sensillae is reliably found on the proximal femur.
tshmd621/tshHD1 is rescued by Scer\GAL4tsh-md621/tshUAS.cWa