278 
Philippine Journal of Science 
1919 
patches of tomentum; venter with a scopa of long curled hairs 
and large patches of pale fulvous hair at sides of segments. 
Panay, Antique Province, Culasi {McGregor) , type, June 3, 
1918. Luzon, Laguna Province, Mount Maquiling {Baker), 1. 
Halictus oligostictus sp. nov. 
Female. — Length, nearly 8 millimeters; very robust; black, 
pubescence scanty, fringe of tubercles dense and tinged with 
ocherous; antennse black, the flagellum faintly reddish apically; 
clypeus with large punctures; front dullish, finely punctured 
and substriate ; mesothorax and scutellum dull, with large, 
widely scattered punctures, very few on scutellum; area of me- 
tathorax dull, with strong longitudinal plicse; posterior trun- 
cation finely tomentose, sharply defined above and at sides; 
prothorax with prominent tubercular and anterolateral angles; 
tegulse black; wings slightly dusky, stigma and nervures pic- 
eous ; first recurrent nervure meeting second transverse cubital ; 
third submarginal cell more than twice as long (broad) as 
second ; legs black ; hind tibiae and tarsi with black hair on outer 
side and pale yellowish hair on inner; hind spur with a few 
large spines ; abdomen very broad, shining black, without 
evident punctures; second segment with a narrow patch of 
dull white tomentum on each side basally; venter with pale 
hair, but no long curled scopa or lateral patches. 
Luzon, Mount Banahao {Baker). 
Halictus lionotulus sp. nov. 
Female. — Length, about 5.5 millimeters; black, with rather 
narrow thorax; hair of head and thorax dull white, not abund- 
ant ; face narrowed below ; clypeus and supraclypeal area shining, 
sides of face with dense grayish white hair ; flagellum obscurely 
brown beneath ; mesothorax and scutellum polished and shining, 
without conspicuous punctures; area of metathorax dull, with 
fine plicae, the rounded apical margin shining; posterior trun- 
cation very hairy; tegulae bright fulvous; wings dusky, stigma 
and nervures dusky reddish brown, not dark; outer recurrent 
and transverse cubitals much weakened; type with only two 
submarginal cells, the second transverse cubital absent, but 
another female, evidently of the same species, has three sub- 
marginals, the third broader than the second, but not twice 
as broad (the male also has three submarginals) ; legs black 
or dark brown, with much white hair, that on hind tibise en- 
tirely white ; hind basitarsi with white hair, but with an orange 
brush at apex; mesopleura polished and shining; abdomen 
