Queen: Face with yellow hairs at bases of the antennae, vertex with a large
triangular patch of yellow hairs. Dorsum of thorax with yellow hairs, disc bare and
surrounded with a fringe of black hairs; pleura mostly with black hairs, the yellow
hairs not extended much below the wing bases. Abdominal tergites each scantily clad
with black hairs. Venter of abdomen and legs black.
Male: Face black, vertex with a patch of yellow hairs. Dorsum of thorax yellow,
but with a rather well-defined black interalar band; pleura with an admixture of yellow
and black hairs and the lower portion mostly black. Abdominal tergites showing much
variation; tergites 1-4 ranging from entirely yellow to only patches of yellow at the
sides of tergite 3.5. Ususally tergites 5-7 are black except for a marginal fringe of
yellow on tergite 5. Venter of the abdomen with narrow fringes of yellow hairs, legs
mostly black.
