CLASS V. IX3ECTA. 207 



Genus 223. ^MONOTOMA. llerbst, Leach. Cerytox. Latr. 

 Bodif elongate, linear: thorax quadrate, with the hinder margin 



distant from the base of the elytra: abdomen somewhat peduiuu- 



kted. 

 Sp. I. ^lon. Juglandis. 



l.yctus Jui^landis. Fabr., Pai/lc, Panz. Corticaria taxicornis. Marah. 

 Inhabits Europe, imder the bark of the stumps of trees, particularly 



those in damp situation^. 



I'am. XL. MvcF.TOi'iiACiD.E. Leach. 



Body ovoid or ohlons;; in some depressed, in others linear: palpi fiH- 

 form or bent at their extremities: antenna eleven-jointed: mandibles 

 little or not at ail prominent. 



Stiri'S 1. — Antenna: gradually thickening towards their exti'emitics. 

 Tarsi with the first joint longer than the following one. 



Genus 2-24. MYCETOPIIAGUS. Tabr., Payk., Oliv., Fanz., Latr., 

 Leach. Tritoma. Geoff". Dermestes. Thunb. Silphoides. 

 Herbni. Boletaria. Marsh. 



Body oval : antenna: with the last joint elongate, ovate : maxillary palpi 



prominent. 

 Sp. 1. Myc. qiiadripiistulatus. 

 Mycetojihiigus quadripustulatus. Fabr., Latr., Fanz., Payk. Boletaria 



quadripustulata. Marsh. 

 Inhabits /Mng/. 



Stirps 2. — Antenna gradually thickening towards their extremities, or 

 with a three-jointed club. 



a. Ta}-si with the first joint longer than the second. Palpi vert/ 

 short, the maxillary ones but little or not at all prominent. Antenna, 

 as h}ig as the thorax or less. 



Genus 225. LATRIDIUS. Herbst, Leach. Ips. Oliv. Corti- 

 caria. Marsham. Deumestes. Fabr., Paykull. 



Antenna with the second joint larger than the thirds 

 Sp. 1. Lat. porcatus. 



Latridius porcatus. Herbst, J^ach. Latridius minutus. Lafr. Der- 

 mestes marginatus. Paykull. 

 Inhabits damp paper and old wood in houses. 



