CLASS V. INSr.CTA, 1G3 



Genus 73. ST^IRTES. IlUser, Leach. Cyphon. Fayh., Fair. 

 Elodes. Latr. Chrysomela. Linn., Marsh. 



Maxillary pafpi filiTorm, the last joint somewhat cvlindric: labial palpi 

 bifurcate: /(oc/y ovate, inclining to round, convex: feetwhh their ti- 

 bis termniated with a strong spine: hinder thighs thickened and 

 fomied lor leaping. 



Sp. 1. Scir. hemisplKurica. Black, smooth: thorax "-hort, transverse, 

 anterior margin somewhat concave : tibia?, tarsi, and base ol the an- 

 tenna- paie fuscous. 



Cvphon hemispharicus. Fabr., Payk. Elodes hemisphaerica. Latr. 

 Chrvsomela hemispha rica. Marsh. 



Inhabits aquatic plants in ditches. 



Genus 74. DRILUS. 01 iv., Lam., Latr. Ptilixus. Fair., Geoff". 

 Cantiiaris. ]\[arsh. 



Maxillary palpi with their apex acute; /«i/«/ short, somewhat cylin- 

 dric: anlewKZ with their internal edge ])ectinated: ntaxilla; with one 

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

 cuate, inflexcd. 



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



Drilus flavescens. Oliv., Latr., Leach. Cantliaris serraticornis. Mar- 

 sham. 



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

 tolerable abundance, some years. 



Genus 75. LYCUS. Fabr., Oliv., Lam., Leach. CAXXiiAnis. Lin«. 

 Lampyris. Geoff., Marsh. 



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

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

 last joint somewhat triangular, having their points broader: head 

 with the mouth produced iptc a kind of rostrum: maxUhc with one 

 process : elyt?-u nearly of equal breadth : thorax somewhat quadrate, 

 the anterior margin transverse, straight. 



Sp. 1. Ly. iniiiutus. 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 : antenna: 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 : 7nouth small : viuxill<c 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 wngs ; of the 

 female apterous ; thorax semicircular. 



Sp. 1. Lam, noctiluca. Common Glow-worm. {PL S.Jiir. 1. cj . /e. 2. 5 . 



L 2 



