1923] 
Two New Bembecids from the Channel Islands 
7 
Genital stipites shaped much as in comata as shown by 
Parker (fig. 163) but the inner margin more arcuated before the 
apical notch, the hairs longer and confined to the inner half 
of the surface and the basal suture oblique for its whole length, 
as in Parkers’ figure 169. Length 18-20 mm. 
Both in the Handlirsch and Parker keys this species runs 
to nubilipennis from which it differs in the size and shape of 
the body (being very robust) and in the absence of maculation 
on the thorax, pattern of maculation on the tergites and ster- 
nites, color and maculation of the legs, spinose character of the 
segments of the flagellum, serrate dentations of the intermediate 
femora, the longer and more dense pale pubescence and the form 
of the male stipites. In general appearance this species some- 
what resembles amoena, principally on account of the robustness 
of the body and the pattern of maculation on the tergites, but 
from which it can readily be distinguished by the character of 
the processes on the second and sixth sternites, absence of macula- 
tion on the thorax, the much shorter apical spurs on the inter- 
mediate tibiae and the form of the stipites. Like the related 
species this shows some variation in the yellow marking; two 
specimens have small spots on the tegulse and one a larger spot 
at the inferior angle of the prothorax. 
Described from twelve males taken by Mr. E. P. Van Duzee 
on San Miguel Island, Santa Barbara County, California, May 
20, 1919. 
Holotype, male. No. 928, Mus. Calif. Acad. Sci.; paratypes 
in the collection of the Academy and in that of the author. 
Type locality; San Miguel Island, Calif. 
Bembix hamata subsp., lucida subsp. nov. 
Male: Black; labrum, mandibles except apex and very nar- 
roe base; clypeus, lower part of frons between antennal bases 
(angled dorsally); anterior orbits, much shortened above, nar- 
row posterior orbits slightly shortened above and below almost 
reaching base of mandibles; posterior edge of tubercles continued 
