Megachile luctuosa

Smith, F., 1857, Catalogue of the hymenopterous insects collected at Sarawak, Borneo; Mount Ophir, Malacca; and at Singapore, by A. R. Wallace., Journal of the Proceedings of the Linnean Society of London, Zoology 2, pp. 42-88 : 46

7. Megachile luctuosa .

M. nigra opaca; alis hyalinis; abdomine subtus fulvo; apice pube grisea vestito.

Female. Length 6 lines. Opake-black: very closely punctured; the wings hyaline and iridescent, the nervures black; the base of the metathorax with fuscous pubescence, the sides as well as the thorax beneath with griseous; the apical margins of the second, third and fourth segments with narrow fascia; of whitish pubescence, the two former widely interrupted; the fifth and sixth densely covered with short, whitish pubescence; beneath, clothed with fulvous pubescence. Hab. Singapore.