CRYPTOCEPHALINARUM BOREALI-AMERICAE DIAGNOSES. 251 



the seventh and eighth ; extreme base and margins colored like the vittae : pygidium 

 punctate, pale rufous or flavous : beneath dull testaceous, pectus (and in some, the 

 base of the abdomen) varied with flavous : % with the venter simple, 9 last 

 segment with a deep fovea ; in both the presternum is deeply emarginate and toothed 

 behind. Middle States. 



16. C. ciNCTiPENNis i2a;2C?a//. 1838. Bost. j. n. h. 2,45:19. C . hamatus Meh. 

 1847. Pr. Acad. 3,174 :15. Laete rufus, nitidus, proncto punctato, apice angu.ste 

 lateribus late maculisque 2 obliquis basalibus flavis : elytra punctato-striata, flava ; 

 sutura, margine tenuissimo, vittisque 2 latis nigerrimis. Long. 2 lin. 



Head punctate, and with the trophi, flavous varied with rufous ; antennae obscure 

 fuscous, five basal articulations rufous: pronotum finely and densely punctate, 

 extreme margins blackish : scutel black, generally with a flavous disc : elytra 

 punctate-striate, some of the rows scarcely striate ; suture, base and margin with a 

 narrow line of black ; the interior of the two black vittae follows the second line of 

 punctures, which brings it to the suture posteriorly, it extends to the fifth line of 

 punctures at base, where it is most dilated ; the exterior vitta lies between the sixth 

 and eighth striae : pygidium and apex (sometimes the margins) of the venter flavous 

 or rufous, with numerous dilated punctures : beneath punctate, clothed with 

 numerous flavous hairs, black, middle of the sternum varied with flavous : feet 

 rufous, with numerous hairs, tarsi fuscous, I with the last segment of the abdomen 

 deeply foveolate, (wanting in the 9 ) presternum slightly emarginate behind, with 

 rounded lobes. Eastern and Southern. Randall found it on Aster puniceus. 



a. Internal vitta becoming confluent with the suture immediately behind the base: 

 body beneath dark brown ; feet pale. % 



p. 2 vittae confluent, so that the elytra present a black disk^with a narrow flavous 

 margin recurved at the apex : body beneath very dark brown. ^ 



17. C. VENUSTUS F. 2,42 :7. Oliv. Encyc. 6,609. — ornatus F. 2,47 :32. 

 Oliv. Encyc, 6,621. Say. am. ent. pi. 28. Saturate rufus, nitidissimus ; pronoto 

 subtiliter punctulato, apice lateribus maculisque 2 basalibus obliquis pallidis, elytra 

 leviter seriatim punctata, punctis postice fere obsoletis, sutura margine tenuissimo 

 vittisque 2 nigerrimis ; antennarum apice, tibiis tarsique fuscis : pygidio punctato, 

 apice flavo. Long. 2J lin. 



o. Vitta exteriori valde interrupta. |3, Pronoto pallido, immaculate. 



Head punctate, rufous, orbits flavous, base of the antennae pale rufous : scutel and 

 extreme margins of the pronotum black : elytral vittae disposed as in the preceding 

 species. Presternum 9 deeply emarginate behind, with the lobes subacute, the last 

 ventral segment deeply foveolate. ^ with the presternum less distinctly emarginate, 

 and the venter without the fovea. Eastern, Middle, and Southern States. 



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