NOllTHUMBERLAND AND DURHAM. 229 



Division 5. COSSONIDES, SchUnh. 

 306. Bartdius, Schi'mh. 

 1. B. T-ALBUM, Linn. 



Baris Atriplicis, Steph. Illust, Mancl., iv., 10. 

 Boggy places ; Prudhoe, Gibside, Morpeth, Budle Crag, Belford 

 Moor, &c. July. 



FAMiLr 4. SCOLYTIDiE, Westiv. 



307. Hylastes, Erichson. 



1. H. ATER, Fah. 



Steph. Illust., Mancl., iii., 363. 

 Beneath bark of felled Scotch pine ; common. 



2. H. ANGUSTATUS, Herhst. 



Steph. Illust., Mancl., iii., 364. 

 Along with the preceding, and equally numerous. 



3. H. RUFUS, Marsh. 



Steph. Illust., Mand., iii., 365. 

 " Twizell"— P. J. Selbi/, Esq. 



4. H. picEus, Marsh. 



Steph Illust., Mand., iii., 365. 



About one-third less than H. angustatus ; narrow, short, fuscous 

 black, faintly shining, head black, thickly, and somewhat finely 

 punctate; thorax rather longer in proportion than in H. angus- 

 tatus, and considerably more thickly and finely punctate, rather 

 shining, with a scanty, short, griseous pubescence, a fine, slightly 

 raised keel down the middle, evanescent anteriorily, and not quite 

 reaching the base, the anterior margin slightly reddish; elytra 

 narrow, cylindric, a little wider than the base of the thorax, and 

 concolorous with it, regularly punctate striate, the ed^es of the 

 strijB somewhat sharply raised, interstices thickly rugulose punctate, 

 shoulders slightly prominent, with a rufous tint, shortly griseous 

 pubescent; under surface dark fusco-piceous ; antenna3 bright 

 rufous; thighs pitchy, the tips rufous; tibise and tarsi rufescent. 

 Length somewhat more than a line. — J. H. 



One specimen in a fir wood, on Budle Crag, June. — /. H. 



VOL. II. PT. II. 2 F 



