GALERUCIDiE. — GALERUCA. 291 



Abundant in many places within the metropolitan district, upon 

 aquatic plants, during the end of May and the beginning of June. 

 " Common (near Swansea)." — h. W. Dillwyn^ Esq. 



Sp, 10. Lythri. Supra testacea. prqfunde punctata, vertice, lineola thoracis, scu- 

 telloque nigris, subtus nigra ano pedibusque testaceis. (Long. corp. l| — 2^ lin.) 

 Ga. Lythri. GyUenhal—Steph. Catal. 212. N'o. 2144. 



Oblong-ovate: above testaceous, deeply punctulated, the punctures somewhat 

 ocellateti : head anteriorly testaceous^ posteriorly with a lunular black streak : 

 thorax with a deep dorsal channel in which is a black line, and a deeper 

 rounded fovea on each side : scutellmn black : elytra entirely testaceous^ with 

 the humeral callous a little clouded : thorax beneath pale testaceous : breast 

 and abdo?nen black, apex of the latter and the legs testaceous : antennas testa- 

 ceous at the base, the apex black. 



Also far from uncommon in June, within the metropolitan 

 district, upon aquatic plants (especially on Lythrum salicaria, ac- 

 cording to Gyllenhal). " Not uncommon (near Swansea)." — jL 

 W. Dillwyn, Esq. 



Sp. 11. lineola. Supra Jlavo testacea, punctata, sericeo-pubescens, ve?'tic2 

 lineoM thoracis scutelloque nigris, subtus nigra ano pedibusque Jlavo-testaceis. 

 (Long. Corp. 1^ — 2^ lin.) 



Ga. lineola. Fabricius.—Steph. Catal. 212. No. 2145. 



Oblong-ovate : above testaceous-'^ello'vi, punctured, with a silken pubescence ; 

 forehead with a rather deep furrow: vertex with a large semicircular black 

 spot: thorax with a longitudinal dorsal impression, sparingly and obsoletely 

 punctured, with a wedge-formed black patch in the middle of the back : scu- 

 ielluni black : elytra with the disc testaceous, the lateral margins and the 

 suture rather pale, the humeral callous dusky or black : body beneath black, 

 with the apex of the abdomen pale: legs entirely testaceous-yeZfoi^; ; antennae 

 black, with several of the basal joints testaceous. 



Also common on aquatic plants, near London, Bristol, Exeter, 

 &c. and I believe in other parts. " Not uncommon on willows in 

 Crwmlyn-bog, and about Penllergare." — L. W. Dillwyn, Esq. 



Sp. 12. xanthomelsena. Subdepressa, supra griseo-Jlavescens, creberrime punc- 

 tulato, thorace Tnaculis tribus, elytris vittd intra marginali lineoldque baseos 

 nigris. (Long corp. 3 lin.) 



Ch. xanthomelsena. Schrank.—Ga. xanthomelsena. Steph. Catal 212. No. 2146. 



Oblong-ovate, somewhat depressed; above griseous-yelhw, thickly punctured: 

 forehead with a deep furrow: vertex ivith a triangular opaque black spot, and 

 above the base of the antennae another geminated shining one : thorax unequal. 



