Halictus rotaensis, 1942

Cockerell, T. D. A., 1942, Halictine Bees from Rota Island, Insects of Guam I, Honolulu, Hawaii: Bernice P. Bishop Museum, pp. 191-194 : 191

2. Halictus rotaensis , new species.

Head ordinary, face rather narrow (head smaller and face much narrower than in H. saffordi); apical part of flagellum variably reddish beneath; tongue short and pointed; head dull dark green, supraclypeal area shining; face, cheeks, sides of thorax and metathorax with thin white hairs; mesothorax and scutellum peacock green, not distinctly polished; metathorax (propodeum) very dark bluish, the basal area with fine plicae, tegulae shining red; wings grayish, with large dark stigma; outer intercubitus very pale; first recurrent nervure joining second cubital cell well before the end; legs dark brown, abdomen broad, without hair bands, dark purplish, with the hind margins of the tergites more or 1less pallid; as in related species, there is a ventral scopa of curled hairs, collecting pollen. Under the microscope the mesonotum and area of metathorax are seen to be minutely tessellate; mesonotum with very minute punctures, area of metathorax with irregular plicae. Length, about 5.5 mm.; anterior wing, 4.3 mm.

Rota Island , July 20, three specimens .