THE MELANDRVID BARK BEETLES. 1301 



1>I). Black; legs pale fuscous; basal impressions very faint. 



2406. PUSILLA. 

 ad. Thorax and elytra inure or less bicolored. 



c. Head black: thorax and basal portion of elytra largely dull yellow. 



2 1O7. I'LAdlATA. 



<('. Head and thorax black: elytra pale, dull yellow. 



24 OS. PAUJPF.NMS. 



2405 (7695). CANIFA PALLIPF.S Melsh.. Proc. Phil. Acad. Nat. Sci., III. 



1846, 56. 



Elongate, rather slender, subdepressed. Color siren in key; head black, 

 pubescence fine, sparse, yellowish. Thorax short, nearly twice as wide as 

 long, apex and base truncate, sides rounded ; disk minutely and densely 

 granulate-punctate, basal impressions broad and rather shallow. Elytra 

 widest behind the middle, a little more sparsely and coarsely and less rough- 

 ly punctate than thorax. Length 2-2.5 mm. 



Throughout the State, frequent in the southern counties; much 

 less so northward. May 16-July 25. Beaten from foliage of vari- 

 ous shrubs. 



2401! (769:!). CAM FA PCSILIA Ilald.. ,T<mrn. I'hil. Acad. Nat. Sci., I, 1S4S. 



100. 



More slender and parallel than /w/7//u'.s-. P>lack; elytra tinged with 

 fuscous, thickly clothed with line. pale, yellowish pubescence. Length 2 mm. 



Putnam and Dubois counties; scarce. May 10-May 26. 



2407 (7692). CANIFA PLAGIATA Melsh., Proc. Phil. Acad. Nat. Sci., Ill, 



1846, 56. 



Form of pallipcs. Head black; thorax and medial basal portion of ely- 

 tra dull brownish-yellow; apical portion and sides of basal half of elytra 

 blackish-fuscous. Basal impressions of thorax smaller, deeper, with usually 

 a third one in front of scutellum; otherwise as in palUpcft. Length 2- 

 2.5 mm. 



Throughout the State, common in the southern counties; less so 

 northward. May 11-June 24. TSeateu from foliage of many shrubs 

 and herbs, especially that of red bud, honey-locust and great rag- 

 weed. 







2408 (7694). CANIFA PALLIPENMS Lee., Proc. Amer. Phil. Soc., XVII, 1S7S, 



619. 



Elongate, slender. Head and thorax black; elytra pale, dull yellow, 

 finely pubescent; under surface and legs pale yellow, antenna? and abdo- 

 men darker. Thorax twice as wide as long, surface finely granulate-punc- 

 tate; basal impressions broad and distinct. Length 2.3-2.5 mm. 



One specimen from beneath the bark of dead pine near Millers, 

 Lake County. July 14. Described from northern Michigan. 



Tribe VIII. NOTIILM. 

 Tbis tribe is represented in North America by the one genus : 



