CLASS V. INSECTA. 



183 



Genus 132. THROSCUS. Latr., Leach. Elater. Linn., OUv., 



Geoff. Dermestes. Fahr., Pai/k., Il/lger. 



Antenna as long as the thorax, with the three last joints large, forming 



an oval club : pa/pi short, with the last joint securiform : bod^ elliptic, 



narrow, depressed. 



Sp. 1. T/ir. dermcdouks. Brown, with gray-yellowish down: elytra 



with punctated stria?. 

 Elater dermestoides. Linn., OUv. Dermestes adstrictor. Paj/k., IlUg., 



Fabr. Throscus dermestoides. Latr., Leach. 

 Inhabits European plants; is very rare in Britain. 



Genus 133. BYRRHUS. Linn., Fabr., OUv., Lam., Latr.,- IlUger, 

 GyU., Leach. Cistela. Geoff., Marsh. Dermestes. De Geer. 

 Antenna: a little shorter than the thorax, with the four or five terminal 

 joints gradually thicker, compressed : palpi short, the last joint long- 

 est, thick, somewhat ovate: bodj/ smewhat ovate, very convex 

 aljove : scnteUnm minute. 

 Sp. 1. Bjjr. Filula. 

 Inhabits pathways and sandy situations. 



Fam.XVII. Histeridt,. Leach. 

 Genus HiSTER. Linn., Fabr., Latr., Marsh., S,c. Histeroides. 



Gi/IL, Faijk. 

 Antenna geniculated, terminated by a nearly solid club of three arti- 

 culations : elytra shorter than the abdomen, the margin of the sides 

 inflexed : tost with five joints; contractile. 



The insects of this Family are numerous : their habitation is the 

 dung of animals, and some are foimd in rotten wood. A valuaV^le 

 paper has been published in the third volvune of the .Zoological Mis- 

 cellany, from which the Ibllowing is selected. 

 Stirps 1. — Body thick, nearly globose or quadrate: tibia elongated 

 and straight : tarsi long and slender : sternum simple. 



Genus 134. ABR.'EUS. Leach's Zool. Misc. vol. iii. 



Antenna with the first articulation somewhat elongated, second and 

 third nearly cylindrical, straight : fourth short; fifth, sixth, and se- 

 venth, nearly globose and equal ; eighth nearly globose, lenticular; 

 ninth, tenth, and eleventh forming a short oval club. 



Sp. 1. Abr. pcrpusillus. 



Hister perpusillus. Marsh. 



Inhabits the dung of animals. 



Genus 135. ONTHOPHILUS. LeacKs Zool. Misc. vol. iii. 

 Antenna with the first joint long, the second cylindrical, closely joined 

 at the base; third obconic; fourth and filth short and obconic; 

 sixth and seventh shorter and nearly globose ; eighth nearly lenti- 

 cular; ninth, tenth, and eleventh forming an oval club. 



