330 rHYTOFHAQA. [Galerucella. 



angled in the middle of sides, and has a deep depression on each side of 

 disc, and the elytra are thickly set with deep subocellate punctures. 

 L. 3-4imm. 



Male with the fifth ventral segment of abdomen deeply and broadly 

 excised triangularly at apex. 



Female with the fifth ventral segment narrowly incised at apex. 



Marshy places ; on Lythrum saliearia, &c. ; local, but not uncommon where it 

 occurs; Woking ; Maidstone ; Bearsted ; Horsell ; Brentford; Dover; Hustings; 

 Portsmouth district; New Forest; Glanvilles Wootton ; Barnstaple; Exminster; 

 Bristol; Swansea; Barmouth ; Hunts; Wicken Fen; Redgrave Fen; Mabberley, 

 Cheshire; Northumberland and Durham district, rare, Hetton Hall, near Bel ford ; 

 Scotland, " Raehills", Eev. W. Little," Murray's Cat. ; Ireland, Armagh, Johnson. 



The G. calmariensis of Fabricius is the G. xanthomelcena of Schrank 

 and the European catalogue. 



G-. tonella, L. Considerably smaller, on an average, than ordinary 

 specimens of the preceding, which it much resembles ; it may, however, 

 be easily distinguished by its rather broader form and less pubescent 

 thorax, as well as by the lighter colour of the antennae, of which the 

 third joint is longer in proportion to the second ; the tubercles on the 

 forehead are more distinct and shining, the central channel of the thorax 

 is more marked, and the subocellate punctures of the elytra are less 

 deep ; the sexual characters are also different, the male having the fifth 

 ventral segment of the abdomen slightly impressed at apex, the same 

 segment being almost entire in the female the central line of the 

 thorax and the humeral callosities are usually inf uscate, and occasionally 

 the elytra are marked with a more or less obsolete dark band. L. 

 2f-3mm. 



In marshy places ; on willows, especially in osier beds', and also on alders nnd 

 Spirtea ulmaria ; locally common ; London, Southern, and Midland districts, widely 

 distributed ; Yorkshire ; Cheshire ; Northumberland and Durham ; Cumberland ; 

 Scotland, Solway, Tweed, and Forth districts ; Ireland, Armagh. 



ADIIVIONIA, Laicharting. (Galeruca, Geoffrey.) 



This genus, as here constituted, contains about seventy five species, 

 which are chiefly found in Europe and Northern and Central Asia; 

 a few, however, have been described from North America, Morocco 

 and Algeria, and Southern Africa, and one from the Australian region ; 

 no less than forty-four are found in Europe, of which two only occur 

 in Britain ; they are larger than any of our other Galenic, and may l.o 

 known by having the anterior coxal cavities closed behind, and the 

 intermediate tibiae armed with a small spur at apex ; the upper surface 

 is very finely pubescent, almost glabrous; the tarsi are rather wide, 

 and have the third joint the broadest, and the tarsal claws are strong 

 and armed with a tooth. 



I. Colour entirely black ; antennae longer, with the third joint 

 longer in proportion to the second ; thorax more deeply and 

 closely punctured ; size larger A. TANAC&TI, L. 



