CLASS V. IXSECTA. 211 



Laptiira Inquisitor. Linne. Rhagium Indagator. Fabr. 

 Inhabits England, but is very rare. 



Fam. XLIV. CniocERiD.t. Leach. 

 Lip not cordiform: max il I eew'ilh their external division not resembling 

 a t\vo-)ointed palpus : 6of/y elongate : //wraj: cylindric or quadrate: 

 viandibles bilid or notched at their extremities. 



Genus 239. DONACIA. Fabr., Payk., Hoppe, Olir., Lair., Leach. 

 Leptura. Linn., Marsh. 

 Antenna with clongate-cylindric joints, those of the base obconic : eyes 

 not notched : abdomen elongate, triangular : hinder thighs thick. 



* Hinder thigh dent at ed. 

 Sp. 1. Don. micans. 



Donacia micans. Hoppe, Leach. Leptura micans. Marsh. 

 Inhabits aquatic plants. 



** Hinder thighs simple. 

 Sp. 2. Don. aiinplex. 

 Leptura simplex. Marsh. 

 lahabits aquatic ]>lants. 



Obs. — Donacia /osteri Fabr., and Equiscti, both of which have lately 

 been taken in Britain, constitute the genus M acrople a of Hoffmansegg. 



Genus 210. CRIOCERIS. Geof, Oliv., Lam., Leach. 

 AntentKE moniliform, with the exception of the basal joints which are 



globose : eyes notched : neck distinct : abdomen quadrate. 

 Sp. 1. Cri. mcrdigera. (PI. 2. fig. 14.) 

 Crioceris merdigera. iMtr., Leach. Lema merdigera. Fabr. Auche- 



nia merdigera. Marsh. Chrjsomela merdigera. Linn. 

 Inhabits the white lily. 



Fam. XLV. Chrysomemd.e. Leach. 

 Chrysomf.lix.e. Jjatreille. 

 Lip not cr)r(lifurm : maxilla with their external division resembling a 



biarticulate palpus: body move or less ovoid or oval : thorax \xwt\s- 



verse, or not longer than broad. 

 Stirps 1 . — Palpi very small : antenna inserted near each other between 



the eyes, at a distance from the mouth: body shield-shaped : tliorax 



semicircular. 



Genus 241. CASSIDA of authors. 

 Antc^ina thicker towards their extremities, their base concealed by the 



tliorax: body nearly orbiculate. 

 Sp. 1. ^s. eqiustrtx. 

 Cassida equestris. Fabr., Payk., Panz., Lutr., Leach. Cassida viridis. 



Marsh., Illig. 

 Inhabits the Mentha sylvesfris. 



o'i 



