86 



INSECTS. COLEGPTERA. 4. Boftrichus. 



Sulcatus. 



Elongatus* 



rum. 



Inhabits Europe, Muj.Lcfk, p. 5. n, 108. b. 



C. teeters 4, clavate, the laft joint larger. Colyd 



Ferruginous ; thorax grooved. 



Inhabits Germany, under the bark of trees. 

 Thorax with 2 grooves : fhells naked. 



Black ; legs ferruginous. 



Ips linearis. Oti<v. Inf. 2, 1 8. t.z.f.ij. 

 I habits Europe, in old wood. 



Body filiform ; thorax with 3 imprefled lines : JJielts with 

 crenate itrise, 



Eiliformis. Black ; {hells grooved, the bafe and legs ferruginous. 



Innhabits Saxony, nearly refembles the laft. 



Surinamen- Teftaceous ; thorax crenate, carinate on the back. 

 fa* Ips frumentaria Oli<v Inf. 2, 18. tab. 2. fig. I 3. 



Inhabits South America, in flour and meal which has been kept 

 too long. 



Shells flriate : body fometimes brown ♦ 



4. BOSTRICHUS. Antenna clavate, the 

 club folid: thorax convex, flightly mar- 

 gined : head infle&ed and hid under 

 the thorax. 



Thefe are a very fertile and voracious tribe, and very destructive 

 to woods : they make thofe deep, irregular channels, fo often 

 obfervable in the bark and wood of trees. 



Flavicornis Rufous; fhells black, fpinous and toothed at the tip: an- 

 tennas yellow. 

 Inhabits North America; fmall, cylindric. 



Club of the antenna* compreffed : thorax cylindric ; fhells fubftri- 

 ate, toothed, the hind-tooth elongated into a fpine : body 

 beneath and legs brown. 



Cylindrus* Cylindric, black : fhells ftriate, downy at the tip and toothed : 

 legs comprefled, teftaceous. 

 Inhabits Germary, in the oak. 



Head nearly retufe, black : antenna yellow, the club large, com- 

 prefled : fhells covered with rufous down. 



*Typogra~ Teftaceous, hairy: fhells ftriate, retufe, indented. 

 thus. Deegeer Inf. 4. tab. 6. fig. 1, 2. 



Inhabits 



