XV, 3 
Cockerell: The Black Halictine Bees 
281 
Ealietus davaonis sp. nov. 
Female. — Length, about 6,5 millimeters ; black, differing 
from H. fulvovittatus thus: Head broader; area of metathorax 
with a double sculpture of exceedingly delicate striae all over 
and coarse rugae basally ; legs black, with red knees ; pale mar- 
ginal tegumentary bands on abdomen much narrower, those on 
first two segments not enlarged in middle. 
Mindanao, Davao (Baker), 2. Closely related to the last, 
but surely a distinct species. 
Halictus melanurops sp. nov. 
Female. — Length, about 7 millimeters; black, with little hair; 
abdomen polished and shining, without bands or patches of 
tomentum; head broad; clypeus dull basally, apically shining 
and with large punctures; supraclypeal area dull; front dull, 
densely punctured; sides of vertex closely punctured; antennse 
black; cheeks striate, with a large polished shining space on 
lower part; mesothorax and scutellum dullish, finely punctured, 
the punctures very irregular on scutellum; area of metathorax 
longitudinally plicate; posterior truncation shining, not sharply 
bounded at sides; mesopleura dull; tegulse black; wings dusky, 
stigma and nervures brown; first recurrent nervure meeting 
second transverse cubital ; third submarginal cell not much larger 
than second, both rather broad; legs black; hind tibiae with 
fuscous hair on outer side and white hair on inner, hair on 
inner side of hind basitarsi white; abdomen with stiff hair on 
venter, but no curled scopa or lateral patches; along the apical 
margin of the covered portion on dorsal segments 2 to 4 is a 
very fine fringe of plumose white hairs, forming a very delicate 
line. 
Male. — Very similar but smaller; clypeus all black; flagellum 
elongated and submoniliform, as in typical Halictus males ; tarsi 
dark. 
Luzon, Mount Banahao (Baker), 1 female, type: Nueva Viz- 
caya Province, Imugan (Baker), 1 female: Mountain Province, 
Baguio (Baker) , 1 male. 
