SUBFAMILY III. — ORTHOTYLIN.E. 821 



without apical constriction, calli vague or wanting, basal half 

 convex, declivent forward, base twice or more the width of 

 apex, hind margin truncate, covering mesoscutum ; elytra en- 

 tire, male, sometimes brachypterous, female, clavus strongly 

 declivent toward corium, cuneus and membrane subhorizontal, 

 the fracture weak; basal joint of hind tarsi shortest, 3 nearly 

 as long as 1 and 2 united. Nineteen species are recorded or 

 known from the eastern states. For convenience these are 

 separated into two groups. 



KEY TO GROUPS OF EASTERN SPECIES OF CERATOCAPSUS. 



a. Pronotum not or indistinctly punctate, often more or less alutaceous. 



Group I, p. 821. 

 aa. Pronotum punctate, sometimes finely yet always distinctly so. 



Group II, p. 826. 



Group I. — Ceratocapsus. 



KEY TO EASTERN SPECIES OF GROUP I, CERATOCAPSUS. 



a. Upper surface clothed only with simple pubescence, this sometimes in 

 the form of long pilose hairs. 

 b. Head in great part and third and fourth antennals red ; pronotum 

 and elytra uniform pale yellowish; length, 4.5 mm. 



873. LUTESCENS. 



bb. Head and antenna? not distinctly red; upper surface more or less 

 darkened, 

 c. Upper surface dark brown ; elytra with a broad yellowish cross- 

 bar just behind apex of scutellum. 874. fasciatus. 

 cc. Elytra without a pale cross-bar. 



d. Beak reaching hind coxae; length more than 3.5 mm. 

 e. Head and pronotum not or scarcely darker than elytra. 

 /. General color brownish-yellow to fuscous, basal half of elytra 

 frequently paler; cuneus brown or fuscous; form robust; 

 length, 4.3 mm. 875. modestus. 



//. General color chestnut-brown, shining; cuneus red; form slen- 

 der; length, 3.6 mm. 876. advenus. 

 ee. Head and pronotum shining, black ; elytra yellowish with fuscous 

 cloud on corium; form slender; length, 4.5 mm. 



877. nigrocephalus. 

 del. Beak not reaching middle coxa?; length not more than 3 mm. 



878. MINUTUS. 



aa. Upper surface with appressed silky pubescence, usually mixed with 

 more erect pubescent hairs. 

 g. Elytra dark brown with a pale cross-bar behind tip of scutellum. 



879. pilosus. 

 gg. Elytra without a pale cross-bar. 



h. Upper surface clothed with prominent long erect pilose hairs ; 

 dark brownish-black, legs and joints 1 and 2 of antenna? yel- 

 lowish; length, 4.1 mm. 880. sericus. 



