XV, 3 
Cockerell: The Black Halictine Bees 
275 
Halietus thoracicus var. merescens var. nov. 
Female — Tegulse rufous or rufotestaceous, sometimes darker; 
stigma reddish brown to dark brown. 
Luzon, Mount Banahao {Baker) 7 ; Los Banos (type locality 
of variety) {Baker), 3; Mount Maquiling {Baker), 5. Panay, 
Antique Province, Culasi {McGregor) , 1 , at flowers of Homalan- 
thus populneus Pax, June 3, 1918. Leyte, Tacloban {Baker), 
1 . Mindanao, Davao {Baker), 1 . 
I have seen true H. thoradcus Friese from Buitenzorg, Java 
{Bryant and Palmer). 
Halietus banahaonis Cockerell. 
Halietus banahaonis Cockerell, Ann. & Mag. Nat. Hist. VIII 14 
(1914) 365; 15 (19i5) 264; Crawford, Proc. Ent. Soc. Washington 
19 (1918) 169. 
Luzon, Mount Banahao {Baker), 4; Paete {Baker), 1. 
The hind margin of the first abdominal segment is lineolate, 
not punctured all over as in baguionis Crawford, contrary to 
the statement in Crawford’s table, loc. cit. 
Halietus banahaonis var. macerula var. nov. 
Female. — Smaller; anterior wing, about 5 millimeters long 
(about 6 millimeters in type) ; length of insect, 6 to 6.5 milli- 
meters. 
Luzon, Mount Banahao {Baker), 18. The difference of size 
and bulk is very conspicuous, and the two lots are uniform. 
Presumably the two forms are adapted to different flowers. The 
type of the variety is Baker 2556. 
Halietus eschscholtzi sp. nov. 
Halietus manilm Strand (not of Ashmead), Berl. Ent. Zeitschrift 54 
(1909) 210; Crawford, Proc. Ent. Soc. Washington 19 (1918) 169. 
Female {type). — Length, about 7 to nearly 9 millimeters; 
black, with the tubercles yellow; mandibles bright chestnut red, 
except at base; knees, tibiae, and tarsi reddish yellow, or the 
anterior tibiae light red with a yellow stripe, the middle and 
hind tibiae and hind basitarsi each with a large dusky area; 
flagellum red beneath, and scape with a red basal spot; hair 
of head and thorax ochraceous, abundant on thorax, forming 
a fine down on mesothorax, conspicuous in certain lights, not 
in others, but sides of mesothorax with dense bands of tomen- 
tum, posteriorly extending narrowly in front of scutellum; 
mesothorax dull, it and the scutellum very minutely rugosely 
