Feb., 1847.] * 171 



at base, and one at apex, reddish-fulvous: scutellum black; elytra imma- 

 culate, densely and coarsely punctured: pygidium, beneath and feet, deep 

 black, immaculate, ashy-sericeous. 



4. 0. castus. Deep black; thorax with the lateral margins and two spots 

 at base, fulvous ; elytra punctate-striate, each with a testaceous spot at 

 apex. \\ 1. long. Pennsylvania. 



Cryptocephalus castus, Melsh. MS. 



Deep black : head opake, impunctured, spotless ; labrum and antenna, 

 deep black, the latter with the first joint shining : thorax impunctured, 

 rather opake, with the lateral margins and two oblique, dilated, abbreviated 

 lines at base, fulvous: scutellum black: elytra deeply punctate-striate ; in- 

 terstices impunctured, somewhat convex ; humeral tubercle small, promi- 

 nent; suture raised immediately behind the scutel, each elytrum with a 

 whitish spot at apex ; beneath and feet deep black, immaculate ; feet shining. 



Var. a. Lateral thoracic margins broadly fulvous, without the basal spots. 



5. C. asculi. Black, thorax with the lateral margins and an abbreviated 

 line at tip, dull red ; elytra varied with white. 1J 1. long. Pennsylvania. 



Cryptocephalus Aesculi, Melsh. Catal. 



Black; head confidently and obscurely punctulate ; orbits of the eyes 

 very faintly rufous ; labrum white ; antennas dull brDwn, the basal joints 

 lurid; thorax densely and somewhat coarsely punctured ; lateral margins 

 dull red ; a longitudinal medial line originating at apex and abbreviated 

 behind the middle, dull fulvous ; scutellum black; elytra ordinarily punc- 

 tured, varied with whitish ; basal edge white ; pygidium and beneath, deep 

 black, spotless ; feet black, with the anterior femora maculate with white. 



Var. a. Head, thorax and feet spotless ; elytra with the basal edge and a 

 few small spots towards the apex, white; femora immaculate. Perhaps the 

 female. 



6. C.pectoralis. Ferruginous, maculate with black; pectus black. 1J 

 1. long. Pennsylvania. 



Light ferruginous : head punctulate ; face color of the thorax, with a 

 longitudinal black line between the eyes, the latter black ; antennae color 

 of the face ; labrum and feet testaceous ; thorax punctulate, with about five 

 obsolete black spots : scutellum black : elytra ordinarily punctured, inde- 

 terminately maculate with black ; striae black ; abdomen ferruginous ; 

 pectus black, or dusky ; femora with a small brownish spot. 



7. C. hepalicus. Ferruginous, sometimes sparsely maculate with black ; 

 elytra simply and densely punctured. 1 1J1. long. Pennsylvania. 



Cryptocephalus hepaticus, Melsh. Catal. 



Robust, pale ferruginous ; beneath dusky ; head densely punctulate, some- 

 times faintly clouded with brownish ; eyes black ; antennae moderate, color 

 of the head; thorax densely punctured, sometimes obsoletely clouded with 

 black; scutellum piceous; elytra densely punctured, without any of the 

 ordinary longitudinal rugae or raised lines ; sometimes with four or five spots 

 before the tip, and one on the humerus, black; pygidium dusky in the 

 middle ; abdomen at tip dull testaceous ; feet rufo-testaceous, or testaceous ; 

 sometimes with a brown spot. 



