LEPTURIDiE. 181 



DESCRIPTION. 



Body very black, slightly downy, underneath minutely punctured. Head shorter than in the last 

 section, as well as the neck obsoletely channelled ; thickly but not minutely punctured ; antennas 

 rather longer than the prothorax; third and fourth joints a little slenderer than the others, and pale 

 red at the base; the sixth is pale with a black spot on each side at the apex; and the whole of the 

 eighth is of the same colour; the last joint is acuminated: the prothorax is constricted anteriorly, 

 and the constricted part is perfectly smooth, the rest is thickly and confluently punctured and 

 wrinkled ; at the base the prothorax is depressed and obsoletely trilobed : scutellum black, repre- 

 senting an isosceles triangle : elytra of a dull red, grossly and deeply punctured ; extremity scooped out 

 with the external angle longer than the internal and acuminate : mesosternum emarginate posteriorly. 



(242) 4. Leptura canadensis. (Olivier.) Canada Leptura. 



Leptura canadensis. Fab. Syst. Eleuth. ii, 357, 15. Oliv. Ent. iv, 73,8, 6, t. iii, /. 27. Illig. Mag. iv, 122, 15. 



Length of the body 6J — 8 lines. 



Taken in Nova Scotia by Dr. Mac Culloch 



DESCRIPTION. 

 Body very black, slightly downy, minutely punctured. Head as in the last species, but the neck 

 is not channelled ; antenna? with base of the fifth joint, the whole of the sixth and eighth, except 

 the black apex of the former, pale or pale rufous : prothorax as in JL. erythroptera, only deeply and 

 confluently punctured but not wrinkled : elytra black, sanguineous at the base. In other respects 

 this species resembles that insect ; the external angle of the apex of the elytra is however shorter. 



* f b 2. 



(243) 5. * Leptura tenuior. Slenderer Leptura. 



L. (tenuior) nigra, pubeflav a; elytris flavo quadrifasciatis ; pedibus abdomineque testaceis. 



Slenderer Leptura, black, with yellow down ; elytra with four yellow bands; legs, and abdomen testaceous. 



Length of the body 5| lines. 



Taken in Canada by Dr. Bigsby. 



