308 PHYTOPIIAGA. [Chryanmrla. 



continental specimens, but most of the British specimens appear to 

 belong to the ordinary form, except that some are much duller and less 

 brightly coloured. L. 6-9 mm. 



On thyme ; very local ; Snowdon and the immediately surrounding district ; it has 

 lately been taken in the locality in some numbers by Dr. J. VV. Ellis. 



C. didymata, Scriba (geminata, Steph., nee Payk.). Oval, convex, 

 coppery, greenish, or bluish, elytra usually coppery; antennae pitchy, 

 with the basal joints reddish-yellow beneath, metallic above; thorax 

 gradually narrowed and rounded from base to apex, finely punctured on 

 disc, coarsely at sides, with a longitudinal impression at base near 

 posterior angles; elytra finely but distinctly punctured and more or less 

 alutaceous, with nine rows of larger punctures on each, which are 

 arranged in more or less distinct pairs; legs dark. L. 6-7 mm. 



Male with the last ventral segment of abdomen slightly convex, 

 transversely flattened behind, and truncate at apex. 



In grassy places ; local, and, ns a rule, not very common ; London district, rare, 

 Darenth, Esher, Merstham ; Dover; Hastings; Portsmouth district; Glanvillea 

 Wootton ; Bristol ; Swansea; Dean Forest; Bewdley Forest; Bepton, Br*-tby Wood 

 and Robins Wood; Mnrplc; York; Scarborough, on Senecio Jacobcea (Lavvson) ; 

 Northumberland and Durham district ; Stephens records it from Forfarshire, but 

 it is not included in Dr. Sharp's Scotch list. 



C. hyperici, Forst. (fucata, F.). Long-elliptical, moderately convex, 

 coppery, greenish, or bluish, male rather shining, female dull; antennae 

 pitchy, usually lighter at base; thorax with a strong longitudinal im- 

 pression at posterior angles, impunctate in front, very finely punctured 

 at base; elytra very finely punctured and alutaceous, with series of large 

 and coarse punctures arranged in pairs, the punctures being situated 

 at irregular distances from one another; legs dark. L. 6-7 mm. 



Male with the tarsi moderately dilated, and the last ventral segment 

 slightly convex and transversely impressed in front and behind. 



On Hypericum perforatum and other species belonging to the same genus ; local, 

 hnt not uncommon ; Sheerness, Darenth Wood, Shirley, Micklebam, Reigate, 

 Caterham, Rusper, Boundstone, West Wickham, Headley Line ; Hastings ; Holm 

 Bush, Brighton ; Portsmouth district ; Southampton ; Glanvilles Wootton ; Bewdley 

 Forest ; Manchester and Liverpool districts ; Scarborough ; Northumberland and 

 Durham district ; Scotland, rare, Solway, Tweed, and Clyde districts, Isle of 

 Arran, AT. 



Two specimens of C. violacea, Goeze (casrulans, Scriba), have been 

 recorded as British, one from Lincolnshire, and one from near Windsor 

 (the latter is in the collection of the late Mr. W. Garneys, and the 

 former in the British Museum collection); the species, however, is 

 evidently not indigenous ; it appears to be chiefly found on the Continent 

 near mountain streams. 



MEZiASOMA, Stephens. (Una, Redt.) 

 This genus contains about thirty species, which are widely distributed, 



