206 MODERN SYSTEM. 



Platypus cylindricus, Herbst, Latr. Bostrichus cylindricus. Fab?-. 

 Scolytus cylindricus. Oliv. 



Discovered lo be a native of Britain by Mr. D. Bydder, who took 

 it in the New Forest of Hampshire from beneath the bark of trees. 



Stirps 2. — Antenna with the club beginning at die ninth joint. 



Genus 219. SCOLYTUS. Geoff., Scha-ffer, Lufr., Oliv., Leach. 

 Tarsi with the last joint but one bifid : antenna with the club com 



pressed, obovoid, the apex rounded. 

 Sp. 1. Sco. Destructor. 

 Scolytus Destructor. Oliv., iMtr. Ips Scolytus. Marsh. Ilylesimis 



Scolytus. Fabr. 

 -Inhabits beneath the bark of the elm. 



Genus 220. IIYLESINUS. Fabr., Latr., Leach. 



Tarsi with their penultimate joint bifid : antenna with the ckdj littk or 



not compressed, ovoid, the extremity pointed . 

 Sp. 1. Hyl. C7'enatus. 



llylesinus crenatus. Fabr., Latr. Scolytus crenatus. Oliv. 

 Inhabits Europe, under the bark of trees, 



Fani. XXXIX. Cisid.e. Leach. 



Body ovoid or oblong ; in some depressed, in others linear ; palpi fili- 

 form or bent at their extremities : antenna ten-jointed, increasing 

 towards their extremities or terminated by a perfoliated mass. 



Stirps 1. — Antenna with the club three-jointed, perfoliated. 



Genus 221. CIS. Latr., Leach. 

 Antenna twice as long as the head : bod^ oval, depressed, 



Sp. 1. Cis Bokti. 



Dermestes Boleti. Scopoli. Anobium Boleti. Fabr., Illig., Fayk. Ano- 



bium bidentatum. Oliv. Ptinus Boleti. Marsh, 

 Inhabits the Boletus versicolor. 



Stjrps 2. — Antenna with a nearly globose two-jointed club. 

 Genus 222. CERYLON. Latr., Leach. 



Bodi/ elongate : thorax quadrate, with the hinder margin straight, con- 

 tiguous with the elytra : abdomen not pedunculated. 



Sp. 1. Cer. histcroides. 



Lyctus histeroides. Fahr., Payk., Punz. Rhyzophagus histeroides. 

 Herhst. Cerylon histeroides. Latr. 



InhaV'its Europe, beneath the bark of trees. 



