203 MODERN SYSTEM. 



Genus 226. SILVANUS. Latr., Leuch. Tenebrio. De Geer. 

 Dermestes. Fabr., Fanz. Ips. Olivier. Colvdivm. Fui/k., 

 Herbst. CoETiCAHiA. Marsham. 

 Antenniz with the second and following joints to the eighth joint nearly 



equal. 

 Sp. 1. Sil . frumentarius. 

 Colydiuui fruinentarium. Panzer, Corticaria frumentaria. Marth. 



Silvauus frumentarius. Latr., Leach, 

 Inhabits damp cellars in old wood and paper. 



Stir PS 3, — Antennce eleven-jointed. Mandibles prominent or exscrted. 

 * Mandibles small. Bodj/ long and linear^ 

 Genus 227. JLYCTUS. Fabr., Fayk., Leach. 

 Antenna with a two-jointed club : thai ax long and linear. 



Sp. 1 . Lye. oblongus. 



I.yctus oblongus. LMlr., I^ach. Lyctus canaliculatus. Fabr. Ips ob- 

 longus. Oliv. Bitonia unipunctata. Herbst. Corticaria oblonga. 

 Mur:ih. 



Inhabits old wood. 



** Mandibles ho-ge. Body elongate, much depressed, nearly equally 

 broad. 



Genus 228. TROGOSITA. Fabr., Oliv., Illig., Latr., Lam., Leach. 



Tliorav almost quadrate, separated from the abdomen by a remarkable 

 interval : antenna moniliform, shorter than the thorax, compressed 

 towards the apex : labrn?n exserted, coriaceous, small, hairy in front. 



Sp. 1. 'Fro. niauritanica. 



Tenebrio mauritanicus. Rossi, Mu7-sh. Trogosita caraboides. Fabr., 

 Illig; Payk., Herbst, Latr. Trogosita mauritanica. Oliv., Leach. 



Inhabits Europe, under stones on the banks of rivers. 



Fam. XLI. Pryonid.i;. Leach. 



Lip much widened at its extremity, cordiform : body elongate : antenna 

 long, generally inserted in a notch in the eyes : labrum very small or 

 almost none. 



Genus 229. PRIONUS. Geoff., Fabr., Oliv., Latr., Leoch. 



Thorax with the sides gently sloping, dentated : antenna serrated, a lit- 

 tle shorter than the body; of the male twelve, of the female elevea- 

 jomted. 



Sp. 1. Pri. coriarius. 



Cerambyx coriarius. Linn., Marsh. Prionus coriarius. Lair., Fabr., 

 Oliv,, Leach. 



Inhabits old tree.?; flies in the evening. 



