CLASS V. IXSECTA. l&l 



Fam. VI. Elaterid.i;. Leach. 



Palpi thick at their extremities : antenne fihform : body formed for 

 leaping : hinder thighs with a trochanter. 



Genus 69. CERATOPHYTUM. Leach. Cerophytum, Latr. 

 l^fandihles without notch at their extremities: /arsi with their la«t 



joint but one bifid. 

 Sp. 1. Cer. LatreiUii. Leach. 

 Cerophytum Elateroides. Latr., Leach. 

 Inhabits Germany, Switzerland, France, and England. In the latter 



country it was discovered by IMr. JMillard in the New Forest, Hants. 



Obs. — Latreille referred this genus to the preceding family (as a sec- 

 tion of his family Sterroxi) ; but it has been referred to the Elate- 

 rida by Dr. Leach in his MSS. 



Genus 70. ELATER of authors. 

 Mandibles notched or bifid at tiieir extremities: /flrsi with all their 

 joints entire. 



This genus should be divided into several others, hut the charac- 

 ters have not yet been developed. They may be divided into the 

 following sections, as given by Latreille in his Genera Crustaceorum 

 et Iiiscctorum. 



* The last joint of the antenna with the apex so ahrnptlr/ acuminated 

 as to give the appearance of' a twelfth joint. 



Sp. 1. Elat.fen-ugineus. Antennje serrated; colour black: thorax with 

 the exception of the hinder margin and elytra red, finely punctated, 

 pubescent: elytra with punctured striae. 



Elater ferrugineus. Linn., Fabr., Oliv., Panz., Marsh., Leach. 



Inhabits rotten trees, especially willows. In Britain it is very rare. It 

 sometimes occurs in Kent; varies in size and colour. In Dr. Leach's 

 collection (now in the British Museum) is a variety with the thorax 

 entirely black. 



** Last joint of the antcnnte oval or oblong, not abruptly acuminate. 



I. Body not linear, but three times as long as broad ; abdomen oblong- 

 triangulate. 



A. Antenna (of the male at least) pectinated or serrated. 

 Sp. 2. Elat. castaneus. Antennje of the male pectinated, colour black : 



head and thorax red-tomentose : elytra yellow punctate-striated : 



apex black. 

 Elater castaneus. Linn., Fabr., Panz., Leach. 

 Inhabits 



