CLASS V. INSECTA. 
361 
Fam. VT. Elateriile. Leach. 
Palpi thick at their extremities : antenna filiform : loch/ formed for 
leaping : hinder thighs with a trochanter. 
Genus 69. CERATOPHYTUM. Leach. Cerophytum, Lair. 
Mandibles without notch at their extremities: tarsi with their last 
joint but one bifid. 
Sp. 1. Cer. Latreillii. Leach. 
Lerophytum Elateroides. L,atr., Leach. 
Inhabits Germany, Switzerland, France, and England. In the latter 
country it was discovered by Mr. Millard in the New Forest, Hants. 
G*s. — Latreille referred this genus to the preceding family (as a sec- 
tion of his family Stcrro.ri) ; but it has been referred to the Elate- 
ridee by Dr. Leach in his MSS. 
Genus TO. ELATER of authors. 
Mandibles notched or bifid at their extremities : tarsi with all their 
joints entire. 
This genus should be divided into several others, but the charac- 
ters have not yet been developed. They may be divided into the 
following sections, as given by Latreille in his Genera Crustaceonm 
el Insectorum. 
* The last joint of the antenna with the apex so abruptly acuminated 
as to give the appearance of a twelfth joint. 
Sp. 1. Elat, ferruginous. Antennae 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 antenna oval or oblong, not abruptly acuminate. 
1. Body not linear, but three times as long as broad ; abdomen ob/ong- 
triangulate. 
A. Antenna {of the male at least) pectinated or serrated. 
2. Elat, castaneus. Antennae of the male pectinated, colour black : 
head and thorax red-tomentose : elytra yellow punctate-striated: 
a pex black. 
Elater castaneus. Linn., Fabr., Panz., Leach. 
Wi^bits 
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