32 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



Subfamily Cixiinae. 

 Oblong depressed insects usually with rather broad elytra which 

 are frequently more or less mottled with fuscous and dotted along 

 the vems. The females have a cottony substance either side of the 



Key to Genera. 



1. Hind tibiae armed with two or three spines r> 

 Hind tibiae unarmed ' ^ 



2. Base of the vertex angulate-emarginate ;** mesonoWm normaVly ^ 



five-carinate Oliarui 



Base of the vertex broadly arcuate; mesonotum'tricarinate . . ^'. ^^ 



3. Vertex very narrow, its sides parallel or slightly divergenranter?: ^^ 



orly ; front and clypeus elongated Oecleus o -^a 



Vertex broader, narrowed anteriorly; front and clypeus together 

 ^^^'P^'^^ Myndus, p. 34 



Oliarus Stal. 

 This genus has the vertex quite broad, about as wide as the eyes 

 with Its base angulately emarginate, and the mesonotum in our 

 species furnished with five carinae. It is distributed over nearlv 

 all parts of the world and is rich in species. 



Key to Species. 



1. Elytra pellucid , or nearly so, sometimes varied with brown 2 

 li^lytra smoky-fuscous, at least at apex .... Z. 



2. Larger 6-7 mm. ; elytra more or less maculated ;' ' the 'veins white, 



S^°.1 ^r "^ c ^'""^"^ f ^^-^'^ ^P'^ quinquelineatus 



on a ?cai thi?d ' immaculate, their veins heavy and fuscous 



3. Smaller, 4-6 mm. ; eiytra clouded on apical 'third only ! .' . .^"^Tu^Hs 

 Larger, 6-7 mm ; elytra entirely fuscous, the stigma and costal 



nervure whitish . . . . cinnamomeus 



O. quinquelineatus (Say). 



Jour. Acad. Nat. Sci. Phila., vi, 241, 1830. 



This large maculated species is common throughout the eastern 

 states and Canada, and extends its range westward to Colorado 

 but It does not seem to have been reported from Connecticut 

 where, however, it must occur. 

 O. fransciscanus (Stal). complectiis Ball. 



Freg. Eugen. Resa., Ins., 273, 1859; Can. Ent., xxxiv, 152, 1902. 



This small black species with whitish-hyaline elytra is found 

 from Maine to CaHfornia. 



Scotland, 27 July, 1904 (B. H. W.) ; New Haven, 26 June, 23 July. 1910, 

 9 July, 1911, II July, 1920, 18 June, 1921 (B. H. W.). ' -^ •' ^' y^"' 



O. humilis (Say). (PI. iv, 2.) 



Jour. Acad. Nat. Sci. Phila., vi, 241, 1830. 



This has much the aspect of the preceding except that it is a 

 little broader and has the apical one-third of the elytra infuscated. 



