282 
Hominoxious Arthropods 
hh. Body smooth, margin of the pronotum sinuous, scarcely 
constricted; anterior lobe lined with little tubercles 
. Conorhinus Lap. 
i. Surface of the pronotum and prosternum more or less 
grandular. 
j. Eyes small, head black; body very narrow, a fifth as 
wide as long; beak reaches the middle of the proster¬ 
num. California . C. protractus 
jj. Eyes large, head fuscous; body at least a fourth as wide 
as long. Southern species . C. mbro f asciatus 
ii. Pronotum and prosternum destitute of granules. 
j. Border of abdomen entirely black except for a narrow 
yellowish spot at the apex of one segment. Texas 
. C. gerstaeckeri 
jj. Border of abdomen otherwise marked. 
k. Beak slender, joints one and two slightly pilose, two 
more than twice as long as one; tubercles at the 
apical angles of the pronotum slightly acute, conical. 
Md. to Ill. and south. The masked bed bug hunter 
(fig. 71) . C. sanguisugus 
kk. Beak entirely pilose, joint two a third longer than 
joint one; joint one much longer than three; 
tubercles at the apical angles of pronotum slightly 
elevated, obtuse. Ga., Ill., Tex., Cal. . C. variegatus 
ff. Antenna inserted on top of the head between margins, close to the 
eyes; antenniferous tubercles not projecting from the side of the 
head. 
g. Anterior lobe of the pronotum with a bispinous or bituberculate 
disc; femora unarmed. S. arizonica, S. bicolor. South¬ 
western species. Spiniger Burm. 
gg. Disc of pronotum unarmed; apex of scutellum produced into 
a spine; ocelli close to the eyes; eyes large and close to¬ 
gether . Reduvius Lamarck 
h. Color piceous. Widely distributed' in the United States. 
(Fig. 20). R. personatus 
hh. More or less testaceous in color. Southwestern states 
.R. senilis 
ee. Apex of scutellum broad, with two or three spines. . Ectrichodiin.® 
f. First segment of the antenna about as long as the head. E. cruciata 
Pa. and south; E. cinctiventris, Tex. and Mex . 
. Ectrichodia L. et S. 
ff. First segment of the antennae short. P. ceneo-nitens. South 
. Pothea A. et S. 
cc. Ocelli cephalad of the hind margins of the eyes; first segment of the 
antennae stout, second segment divided into many smaller segments. 
South and west. Homalocoris maculicollis, and Hammatocerus 
purcis . HammatoceriNjE 
