TRIBE IV. I'ISSOIUNI. ISM 



Occurs about Lake Superior, iu Michigan, Wisconsin, Massa- 

 chusetts and Canada. Its food plant not definitely known but 

 probably the spruces, Picca <-<i>ia<l<'iixis Mill and /'. nibfux. 



246 (8476). PISSODES DUBIUS Rand., 1838, 24. 



Oblong. Black; elytral spots small and obscured by numerous scat- 

 tered white or yellow scales. Beak about as long as thorax; the latter 

 narrower than elytra, its disc convex, its punctures irregular, not dis- 

 tinctly separated, hind angles obtuse. Length 4.8 5.7 mm. 



Ranges from Ontario and Maine to Michigan on the balsam 

 fir, Allies balsa men L., the larva 1 occurring in thick living and 

 dying bark of stumps and trees. 



247 (- -). PISSODES FRASEBI Hopk., 1911, 36, 63. 



Closely allied to P. dubius, from which it is distinguished by its 

 large size, very long beak and moderately convex thorax, with basal 

 and oblique subdorsal impressions. Length 4.6 9.1 mm. (Fig. 1.) 



Occurs in the mountains of North Carolina on Eraser's bal- 

 sam fir, Abies frascri Fursh., the lame in the thick living and 

 dying bark of living and partly dead trees. 



248 (8475). PISSODES AFFINIS Rand., 1838, 24. 



Elongate-oblong, robust. Dark reddish-brown to black, thorax with 

 small scattered patches of yellowish scales; elytra with or without faint 

 front spots, but with distinct transverse spots of white or yellow scales 

 on apical third. Beak as long as thorax, slender. Thorax as wide at 

 base as long, sides parallel from base to middle, thence strongly rounded 

 to the much narrower apex, hind angles rectangular; disc rather coarsely 

 and very densely punctate, with a narrow smooth median line. Elytra 

 one-fifth wider at base than thorax, its intervals all of equal convexity 

 and elevation; strial punctures rather coarse. Length 5.5 8 mm. 



Monmouth, Maine, June 20 ; Ithaca, N. Y., May 20. Ranges 

 from Newfoundland and New England to Wisconsin and Min- 

 nesota. Occurs on the white pine, P-iniis stroll us L., in the thick 

 bark on the stumps. 



Tribe V. HYLOBIINI. 



Rather large, dark colored species having the eyes transverse, 

 not contiguous beneath ; mandibles with two apical teeth, the 

 lower one a. little shorter, and in addition a cusp on the inner 

 edge, so that they are in reality three-toothed ; mentum transverse, 

 labial palpi large; beak stout, the antenna 1 inserted in front of 

 middle; funicle 7-jointed, club oval, pointed, ringed and wholly 

 pubescent and sensitive; prosternum broadly emarginate and 



