262 CRYPTOCEPHALINARUM BOREALI-AMERICAE DIAGNOSES. 



basi tenuiter, apice, guttulisque multis longitudinalibus Jlavis : femoribus basi 

 apiceque flavis ; tibiis basi flavis : pygidio minute punctulato, punctis piliferis ; 

 utrinque macula flava, alteraque exteriori: subtus punctulis piliferis. Long. 1| lin. 



9 with the venter foveolate. 



The labrum and clypeus are usually flavous, but this color is wanting in some 

 individuals. In Dr. Melsheimer's species the colors of the pronotum are described 

 as testaceous. Of three specimens, one has a flavous spot on the scutellum. Middle 

 and Southern States. In Pensylvania it appears in June and July on trees of the 

 genus Gary a. 



65. P. iNFAUSTUs fZa/(?. Niger, rugose punctatus, subtus punctulis piliferis: 

 capite dense punctate ; labro, maculisque perpaucis indistinctis flavis ; antennis fuscis, 

 basi dilutioribus : pronoto confertira punctate, punctis parvis : elytris irregulariter 

 punctatis ; lineolis elevatis ; maculis parvis paucis flavis: pygidio minute punctato, 

 punctis piliferis : femoribus intermediis macula flava apicali. Long. 1| lin. 



Venter scarcely foveolate $ . The punctures are less crowded upon the head than 

 upon the pronotum. Southern. 



66. P. soBRiNUs Hald. |Dej. ,445". Niger, punctatus: prothorace disperse 

 punctato, flavo, brunneo variegato : capite pedibus, pygidio, abdominis marginibusque 

 flavis : elytris vix seriatim punctatis, flavo-lineolatis. Long. IJ lin. 



Head (except the orbits) punctate, flavous, with an indistinct tinge of rufous, 

 vertex and frontal line brown ; antennae pale fuscous, base flavous : pronotum 

 densely, and in some parts confluently punctured, having other parts impunctate : 

 scutel black : elytra with black dilated impressed punctures, some of which are 

 arranged in irregular series ; apex, scutellar region, and numerous interrupted 

 interstitial lines Jlavous : pygidium scarcely punctulate ; beneath minutely 

 punctulate, piliferous ; feet flavous, femora indistinctly varied with brown. Venter 

 foveolate ? . Southern. 



F—a. 



67. P. viDUAius F. 2,49. Say, Am. ent. pi, 28. Niger : capite punctato ; labro, 

 maculis 2 inter oculos, 1 inter antennas, et 1 suborbitali ^am5 ; antennis fuscis, basi 

 dilute rufis : pronoto disperse punctulato; lateribus, basi, apiceque tenuiter, lineola 

 apicali, maculisque 2 basalibus flavis ; marginibus extremis nigris ; elytris punctato- 

 striatis ; sutura, margine tenuiter, vittisque 2 nigris : pygidio flavo ; pedibus dilute 

 rufis ; genubus flavis ; tarsis fuscis. Long. 1| lin. 



Venter with a terminal fovea 9 . 



The vertex and orbits have but few punctures. The punctures upon the pronotum 

 are not crowded, and they are finer than those of the head. Southern and Western. 



