CLASS V. INStCTA. 205 



Genus Hypera. Cennar. 

 Sp. 1. Cur. nigrorostris. 



Genus Thvlacites. Germar. 

 Sp, 1. Cur. incanus. 



Division II. — Head not gradual/j/ prolonged into a rostru/n. Tuiii not 

 ■spongy beneath. Antenixa forming a solid muss, a/tortcr or not utucU 

 longer than the head. 



Fam. XXX\ UI. BosXRiciDi. Leach. 

 BosTRicrM. Latreille. 



iii^tiy cylindric or globose : head globose: tihite compressed, tlie antp- 

 rior ones dentiitcd : antenna: eight- or ten-joinled; the lirst joint elon- 

 gate, the two or three last joints forming a large mass : palpi very 

 small, generally conic, rarely filiform. 



SriRPS 1. — Club of the antenna commencing before the ninth joint. 



Genus 216. HYLURGUS. Lutr., Leach. Ips. De Cur, Marsh. 

 ScOLYTUS. Oliv. 

 Tarsi with the penultimate joint bifid: antenna with the club com- 

 mencing at the eighth joint, very little or not at ail compressed. 

 Sp. 1. Hj/l. Piniperda. 



Ips Piniperda. Marsh. Ilylurgus Piniperda. Lair. 

 Iiiliabits tliis country, perforating the bark of the pine. 



Genus 217. TOMICUS. Latr., Leach.. Dermestes. Linnans, 

 Ips. De Gcer. Bostriculs. Fubr., Puyk. Scolytus. Oliv^ 



Tarsi with entire short joints : antenna with the club much compress- 

 ed, beginning at the seventla joint, distinctly annulaled : body not 

 hnear. 



Sp. 1. Tom. Ti/pographus. 



Dermestes Typographus. Linn. Ips Typographe. De Geer. Bo«trichu> 

 Typographus. Fubr., Fai/k. Ips 'i'ypographus. Marsh. Scolytus Ty- 

 pographus. Oliv. Tomicus Typographus. Lutr., Leach. 



Inhabits Europe, under the bark of trees, which it gnaws into various 

 labyrinth-like passages. 



Genus 218. PLATYPUS. Herbst, Latr., Leach. Bostricuus. Uell- 

 wig., Fabr. Scolytus. Panz. 

 Tarsi with entije long joints: antenna with the club much compressed, 

 commencing at the sixth joint : unnulations not orlut .•^lightly di- 

 stinct : body linear. 

 Sp. 1. Pla. cylindricus ? 



