CLASS V. INSECTA. 



183 



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



Geoff. Dermestes. Fabr., Payk., Illiger. 



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



an oval club : palpi short, with the last joint securitbrni : body elliptic, 



narrow, depressed. 



Sp. 1. Tlir. dcrmestoides. Brown, with gray-yellowish down: elytra 



with punctated stria". 

 Elater dcrmestoides. Linn., Oliv. Dermestes adstrictor. Fayk., IlUg., 



Fabr. Throscus dcrmestoides. Lutr., Leach. 

 Inhabits European plants; is very rare in Britain. 



Genus 133. BYRRHUS. Linn., Fabr., Oliv., Lam., Latr., Illiger, 

 GylL, 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: body sraewhat ovate, very convex 

 above: scutellum minute. 

 Sp. 1. Byr. Pilula. 

 Inhabits pathways and sandy situations. 



Fam. XVTI. IIisterid.'e. XfacA. 

 Genus Hister. Linn., Fabr., Latr., Marsh., 4"C- IlrSTEROiDF.S. 

 GylL, Fayk. 

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

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

 iuflexed : ^arsi with five joints; contractile. 



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

 dung of animals, and some are found in rotten wood. A valuable 

 paper has been published in the third volume of the Zoological Mis- 

 cellany, from which the following is selected. 

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

 and straight: ^«m long and slender: stovnow simple. 

 Genus 13-t. ABR/EUS. Leach's Zool. Misc. vol. iii. 

 Antenna with the first articulation somewhat elongated, second and 

 tliird 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. perpusillus. 

 Hister perpusillus. Marsh. 

 Inhabits the dung of animals. 



Genus 135. ONTHOPHILUS. Leach's Zool. Misc. vol. iii. 

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

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

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

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



