54 BROOKLYN MUSEUM SCIENCE BULLETIN 3. 3. 
Genus Haemonia Latreille 
Head behind the eyes shortly arcuately narrowing to the neck, and 
feebly constricted; ocular orbits distinct; median line deep, terminating 
anteriorly into a more or less distinct circular shallow impression, limited 
anteriorly by an arcuate though occasionally feeble, ridge-like elevation 
which is emarginate above, occasionally the shallow circular impression 
is prolonged posteriorly forming an elongate, shallow excavation ob- 
literating the usual longitudinal median line; in front of the ridge the 
antennae are inserted which have the joints rather stout. 
Prothorax laterally more or less deeply constricted at middle; 
anterior angles broadly arcuate; basal margin strongly oblique on each 
side, the outer angle produced laterally into an acute spine. 
Elytra oval, feebly convex, covering the abdomen entirely, more or 
less distinctly emarginate at apex, outer angle prolonged into a moder- 
ately long spine, inner angle occasionally but slightly produced; lateral 
margin sHghtly explanate near apex; serial punctures in sub-geminate 
rows. 
Body below very densely pubescent with very short, silken hairs; 
pubescent spot near each anterior coxae present and moderate; first 
abdominal segment as long as the following four; intercoxal process of 
mesosternum narrow; posterior femora narrow, very feebly clavate, 
reaching the apex of the last ventral segment in the male and to about 
the apex of the fourth in the female, unarmed below in both sexes; tarsi 
not dilated, slender, sparsely pubescent below, third joint very small, 
entire, much shorter than second, claw joints very long, as long or nearly 
as long as the preceding joints together, claws simple, narrow. 
The male has the apex of the last ventral segment truncate and 
more or less distinctly depressed at middle; in the female the sides of 
the last ventral segment are obliquely and slightly arcuately converging 
to apex. 
As I do not know any of the foreign species one or the other of the 
characters given above may be absent in some of them. 
Only one variable and widely distributed species is known from the 
American continent. 
Haemonia nigricornis Kirby. 
Elongate oval, feebly convex; color above flavous, head black, 
along the middle occasionally pale; antennae black, prothorax generally 
with anterior margin and occasionally a spot on the disk on each side 
above middle black, serial punctures of elytra black; underside black, 
