SUBFAMILY I. — MIRIN^E. 679 



yellow; joints 1 and 2 of antennae in great part pinkish, 3 and 4 fus- 

 cous; knees and hind tibia? pinkish-red. Pronotum with constrictions less 

 deep than in discolor, the median area of disk with a distinct impression. 

 Apex of scutellum with an obtuse tubercle. Length, 5.2 — 6 mm. 



Chicago, 111., May 23— June 13; taken at light (Gerhard). 

 An introduced palsearctic species known in this country only 

 from New York, Illinois and Minnesota. Occurs on Carcx vcs- 

 icaria. 



IX. MlMOCEPS Uhler, 1890, 83. 



Elongate, subcylindrical, shining species having the head 

 subglobose, wider than front of pronotum, front subvertical; 

 eyes large, hemispherical ; antennae slender, almost setaceous, 

 as long as or longer than body, joint 1 strongly constricted 

 near base, longer than head, 2 about three times as long as 1, 

 3 slightly shorter than 2, longer than 4 ; beak reaching almost 

 to middle coxae; pronotum as in key, subcampanulate, hind 

 margin slightly sinuate ; mesoscutum exposed ; scutellum large, 

 transversely impressed ; elytra coriaceous, dimorphic, in ma- 

 cropterous form reaching or surpassing tip of abdomen, with 

 cuneous not well defined but long, almost ligulate and cell of 

 membrane long and large ; legs slender, hind femora almost 

 cylindrical. Two species are known, both occurring in our ter- 

 ritory. 



KEY TO SPECIES OF MlMOCEPS. 



a. Pronotum wider behind than at middle and with a bilobate con- 

 vexity on front half; posterior lobe of pronotum slightly convex. 



657. INSIGNIS. 



act. Pronotum not wider behind than at middle, the convexity not bi- 

 lobed ; posterior lobe flat. 658. gracilis. 



657 (916). Mimoceps insignis Uhler, 1890, 84. 



Elongate, subcylindrical, widened and subdepressed behind the mid- 

 dle. Black, shining; elytra with a large triangular yellow spot at base, 

 apical fourth of costal margin dull yellow; antennae brownish-yellow, 

 joint 1 fuscous at base; coxae and trochanters bright yellow, femora and 

 tibiae brownish-yellow, tarsi and claws fuscous. Joint 1 of beak shorter 

 than head, 3 much longer than any of the others. Elytra, macropterous 

 form, much surpassing abdomen, the membrane distinct; brachypterous 

 form, reaching apex of abdomen, their tips rounded. Front and middle 

 legs widely separated, hind ones very long; basal joint of tarsi stoutest, 

 as long as the others united. Length, 5 — 6 mm. 



Described from Illinois and known only from that State and 

 New York. 



