1927] 
New Megachilid Bees 
109 
2. Pubescence of scutellum entirely light; punctures of me- 
sonotum very close throughout chrysothamni 
Scutellum with some long black hairs; punctures of me- 
sonotum distinctly separated in center wheeleri 
Megachile inimica jacumbeesis n. subsp. 
cf . This resembles M. sayi Cress, except that the front 
tarsi are much shorter, the first joint being definitely shorter 
than the tibia and inclined to blackish along the anterior border; 
the lateral ocelli are about equally distant from the eyes and 
from each other; the clypeus has a quite definite though small 
median emargination; the legs except the front tarsi are black 
and the pubescence is white. 
Type: Male (Type No. 15709, Mus. Comp. Zool.); Jacum- 
ba, California, Aug. 17, 1917 (Coll. W. M. Wheeler). Paratypes: 
6 males, topotypical; 1 male, Warren, San Diego Co., California, 
Aug. 13, 1917. 
This has been made a subspecies of inimica rather than of 
sayi because of the fact that inimica was described in 1872 
(Trans. Am. Ent. Soc. Vol. 4), and sayi , which has been con- 
sidered the typical form, was not described until 1878 (Trans. 
Am. Ent. Soc. Vol. -7). In sayi s. str. the tarsal scale is much 
more produced above than in the form here described, and the 
scale at the anterior margin is fully as long as the tibia. There 
is also a tendency in sayi toward shortening the distance be- 
tween the lateral ocelli, this being usually somewhat shorter 
than the distance from the ocelli to the nearest eye or to the edge 
of the vertex, and the clypeus is not so definitely emarginate 
medially in the specimens which have been compared. 
Megachile spokanensis n. sp. 
c? . Head broad, eyes subparallel, pubescence entirely pale 
ochraceous, with no black hairs, nearly white on cheeks; clypeus 
closely and finely punctured, apex entire, completely covered 
with long dense pubescence; mandibles 3-dentate, the middle 
tooth small, outer margin rounded in the dorsal view, inferior 
