Dasiops vibrissatus
Lonchaea vibrissata Malloch 1914
Female .—glossy blue-black. Antennae brownish black, surface of (third joint with a whitish bloom; face distinctly white pollinose; palpi black. Mesonotum and abdomen without traces of pollen. Legs black, basal two joints of all tarsi bright fulvous. Calyptrae yellow, fringe brownish. wings clear, veins yellowish. Halteres black, stalk yellow. Frons occupying about one-third the width of head, slightly wider at centre than at vertex or anterior margin; bristling normal, surface hairs weak; from above middle the surface is pitted with large irregular punctures which extend to the surface of the lunule; antenna reaching barely to the epistome, rather short, third joint less than twice as long as its greatest breadth; arista bare; cheek narrow, the glossy lower posterior part with numerous short hairs, and near to the anterior margin one strong, up-turned bristle. Thorax haired as in L. polita Say. Abdomen with seven distinct segments. Wing veins 3 and 4 slightly convergent at apices; last section of fourth vein longer than penultimate section, outer cross vein about two-thirds as long as section of 4 anterior to it. Length, 2.5-3 mm.