THE CANADIAN ENTOMOLOGIST. 123 



RAP.E — Raped. Feeds on Rape. (Brassica Rapae). 

 OLERACEA— Olera'cea. Feeds on Cabbage (Braseica Oleracea). 

 COLIAS — Colias. A surname of Venus from a promontory in Attica where she 

 was worshipped. 



NOTES ON SOME OF THE COMMON SPECIES OF CARABIDJE, 

 FOUND IN TEMPERATE NORTH AMERICA. 



BY PHILIP S. SPRAGUE. 



ARTICLE NO. IV. 



Harpalus (Carabus) pensylvanicus, Degeer. Mem. Ins. IV. 108. Red- 

 dish brown; head dusky; shells striate; body beneath, antennas and feet 

 testaceous. Inhab. Penn. N. A. Tast p. 104, t. IV. f. 22, Degeer. 



H. (C.) pensylvanicus. Winged; body above black; beneath ferrugi- 

 nous. N. A. Fab. Syst. Elut. I. 195. 



H. (C.) pensylvanicus. Resembles ruficornis. Head black; thorax almost 

 square, with a longitudinal line impressed in the middle and two posterior 

 impressions; elytra black, striated; body beneath brown, more or less clear. 

 Oliv. III. 57, t. XL f. 92 b. 



H. bicolor, Say. Head black; mouth and antennae rufo-testaceous ; gula 

 piceous ; thorax glabrous on the disk ; a dorsal impressed line ; area of hind 

 angles impressed and confluently punctured ; posterior angles rounded ; 

 elytra striate ; strias iinpunctured ; margin with numerous punctures; pectus 

 and post-pectus piceous-black ; piceous on the disk, with obsolete punctures; 

 feet testaceous pale ; venter piceous-black ; tail paler. Trans. Amer. Philo. 

 Soci. II. 26. 



H. faunus, Dej., and flavipes, Dej., Cat. 3rd ed. p. 15. Oblong oval; 

 above black; thorax nearly square; on both sides behind punctured; basal 

 foveas distinct ; posterior angles nearly right ; elytra striate ; sides obsoletely 

 punctured; behind obliquely sinuate; antennae and feet testaceous. Dej. 

 •Sp. IV. 251. The foregoing descriptions are supposed by Dr. LeConte to 

 refer to one and the same species described by Degeer as Carabus pensylva- 

 nicus, and this decision is now acquiesced in by other entomologists. This 

 example of the lack of minute and systematic description is only one of the 

 many ; in fact it is the rule, as you will see by the many synonyms attached 

 to other species, and is the great difficulty all students experience in deter- 

 mining them. 



Harpalus pensylvanicus, Dej, N. A. Long. .55 in. (45-65). Broad 

 oblong oval, above usually dull black; sub-Alpine and northern varieties 

 blacker and more shining; leg3, antennas and mouth testaceous yellow; tho- 

 rax one-fourth broader than long, scarcely narrowed behind the middle ; 

 sides broadly rounded and strongly depressed; the margin is quite narrow at 



