CLASS V. IXSECTA. 163 



Genus 73. SCIRTES. IlUger, Leach. Cypiiox. PayJ:., Fair. 

 Elodes. Latr. Chrysomela. Linn., Marsh. 



Majillary palpi filiform, the last joint somewhat cylindric: labial palpi 

 bififrcatc : body ovate, inclining to round, convex : feet with their ti- 

 bia ternnnated with a strong spine : hinder thighs thickened and 

 formed for leaping. 



Sp. 1. Scir. hemispheric a. Black, smooth: thorax short, transverse, 

 anterior margin somewhat concave: tibiae, tarsi, aiid base of tlie an- 

 tennae paie fuscous. 



Cyphon hemisphgericus. labr., Pai/h. Elodes hemisphserica. Latr.. 

 Chrysomela hemisphaerica. Marsh. 



Inhabits aquatic plants in ditches. 



Genus 74. DRILUS. Oliv., Lam., Lutr. Ptilixus. Fabr.,G£of: 



Caxthakis. Marsh. 



Maxillary palpi with their apex acute ; labial short, somewhat cylin- 

 dric : antenniE with their internal edge pectinated : viuxilhe with one 

 process : mandibles notched at their points : body soft, anteriorly ar- 

 cuate, inflexed. 



Sp. 1. Dri. flavescens. Black, pubescent : elytra yellowish. 



Drilus flavescens. Oliv., Latr., Leach. Cantharis serraticomis. Mar- 

 sham. 



Inhabits Europe. Is found in Darent Wood, Kent, amongst grass in 

 tolerable abundance, some years. 



Genus 75. LYCUS. Fabr.,Oliv., Lam.,Leach. Caxtharis. im«. 

 Lampyris. Geoff], Marsh. 



Mandibles with their entire end pointed : antenna compressed, more or 

 less serrate, inserted near each other : palpi of the maxillaj with the 

 last joint somewhat triangular, having their points broader: head 

 with the mouth produced into a kind of rostrum : maxiUcc with one 

 process : elytra nearly of equal breadth : thorax somewhat quadrate, 

 the anterior margin transverse, straight. 



Sp. 1. Ly. minutus. Elytra with four elevated lines: thorax black, with 

 the margins much elevated; last joint of the antennae reddish. 



Lycus minutus. Gyll. Lampyris pusilla. Marsh. 



Inhabits oaks and hedges; is rare in England. 



Genus 76. LAMPYRIS of authors. 



Mandibles pointed at their tips, sharp, and entire : antennte approximate, 

 the joints cylindric and compressed, the third of the same length as 

 the following joints, the second small : head concealed by the tho- 

 rax : mouth small : maxillae with a double process : maxillary palpi 

 with the last joint triangular-ovate, compressed, the apex acute : 

 eyes very large : body soft, of the male with elytra and wings; of the 

 female apterous : thorax semicircular. ' 



Sp. 1. Lam. noctiluca. Common Glow-worm. (P/. 3./^. 1. <? -fg. Q. 5 . 



l2 



