3. Megachile insularis.

M. nigra, nitida, delicatula punctata, facie pube pallide fulva vestita, abdomine subtils pube laete ferruginea vestito, alis hyalinis.

Female. Length 5 1 / 2 lines. Black; the head and thorax finely and closely punctured, the abdomen delicately so; the face clothed with pale fulvous pubescence, the mandibles with two blunt teeth at their apex; the clypeus shining and strongly punctured. Thorax: the wings subhyaline with a slight cloud at their apex; the basal joint of the posterior tarsi with a dense dark ferruginous pubescence within. Abdomen: the four basal segments with transverse impressed lines in the middle; beneath, clothed with bright ferruginous pubescence; the abdomen has an obscure aeneous tinge above.

Hob. Aru.