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 



ij. Eyes large, head fuscous; body at least a fourth as wide 



as long. Southern species C. rubrofasciatus 



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 111. 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., 111., Tex., Cal . . C. variegatus 

 ii. 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 bisptnous or bituberculate 

 disc ; femora imarmed. 5. arizonica, S. ' hicolor. 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. cruciala 



Pa. and south; E. cinctiventris, Tex. and Mex 



Ectrichodia L. et S. 



ff. First segment of the antennae short. P. omeo-nitens. South 



Poihea 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 HAMMATOCERINiE 



