THE MELAXDRYID BARK BEETT.ES. 1301 



&6. Black ; legs pale fuscous ; basal impressions very faint. 



2406. PUSILLA. 



(/(/. Thorax and elytra more or less bicolorecl. 



c. Head black ; thorax and basal portion of el.vtra largely dull yellow. 



2407. PLAGIATA. 



re. Head and thorax black ; elytra pale, dull yellow. ■ 



24riS, PALTJPENNIS. 



24(t."i (TCirO. Canifa pallipes Mclsli.. I'roc. Thil. Acad. Xal. Sci., Ill, 

 ]S4(3, 5(1. 

 Klongate, rather slender, subdc'iiressed. Color given in key: head black, 

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

 long, ajiex 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 jiunetate than thorax. T^ength 2-2.."i mm. 



Throughout the State, frequent in the southern counties ; much 

 les.s so northward. Afay 16-July 25. Beaten from foliasjc of vari- 

 ous shrubs. 



240t) (TC'.i:!). Camfa pl'Silla Ilald., Journ. Phil. .\cad. Xat. Sc-L. I. 1X4S. 



More slender and parallel than iiriUiiicfi. Black; elytra tinged with 

 fuscous, thickly clothed with fine, pale, yellowish jnibescence. Length 2 mm. 



Putnam and Dubois counties; scarce. Hay lO-Maj 26. 



2407 (7692). Canifa plagiata ili'lsh., Proc. Phil. Acad. Nat. Sci., Ill, 



lS4(j, 56. 



Form of palliiirs. 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 paUiprti. Length 2- 

 2..5 mm. 



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

 northward. 3Iay 11-June 24. lieaten from foliage of many shrubs 

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

 weed. 



2408 (7694). Canifa pallipennis Lee, Proc. Amer. Phil. Soc, XVII, ISTS. 



(no. 

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

 finely pubescent; under surface and legs i)ale yellow, antenniie and abdo- 

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

 tate; ba.sal impressions liroad and distinct. Length 2.3-2.5 mm. 



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

 Lake County. July 11. Described from northern ]\Iichigan. 



Tribe VIII. XOTHIXl. 

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



