CURCULIONID^. — RHYNCHITES. 203 



Cu. aeneoviretis. Marsham.—Rh. minutus. Steph. Catal. 191. No. 1978: 

 non Rh. minutus. Herbst. 



Above brassy-green, clothed with a soft cinerescent down : head short, rounded, 

 finely punctured: rostrum slender, rugulose at the hase: thorax closely and 

 rather coarsely punctured: elytra deeply punctate-striate, the interstices con- 

 vex, blue- or green- brassy, or of a coppery hue: legs black, with the femora 

 brassy; beneath black. 



The head and thorax are sometimes entirely black. 



Not very uncommon on oaks in the neiglibourliood of Wanstead, 

 but apparently less abundant in other parts of the metropolitan 

 district. " Raehills."— i^^z'. W. Little. 



Sp. 14. cupreus. Supra obscure oeneus, tenue griseo puhescsns, subtus obscurior, 

 elytris subquadratis, profunde punctato-striatis. (Long. corp. S^— 3 lin.) 



Cu. cupreus. Linne.—Wa. cupreus. Steph. Catal. 191. No. 1979. 



Above obscure seneous, with a slight griseous pubescence, beneath of a dull 

 brassy-black : head thickly punctured: rostrum rather stout, irregularly sulcate 

 at the base: thorax brassy-black, or cupreous, thickly punctured: elytra 

 ample, subquadrate, sometimes dull brass, at others bright rich copper, and 

 glossy, deeply punctate-striate, the interstices transversely rugulose: legs 

 brassy black ; tarsi black. 

 Very rare : I have hitherto seen but the pair that are in my own 



collection, one of which 1 obtained from the Marshamian collection, 



the other I captured at Darenth. " Baron-wood."— T. C. Hey- 

 sham, Esq. " Epping."— ilfr. Douhleday. 



2. Elytra punctate, scarcely striated, (thorax in one sex, with an acute porrect 



spine on each side.) 

 Sp. 15. Betulae. Supra viridi-sericeus, aut cwruleo-violaceus nitidus, glaber, 



corpore pedibus rostroque viridi-aureis,f route parum impressd. (Long. corp. 



3|-4§lin.) 

 Cu. Betulse. Linne.-Bon. iii. pi 74.-Rh. Betuls. Steph. Catal. \9\. No. 



1980. 



Glabrous, above of a brilliant glossy sSky-green or bright y\o\et-blue, with all 

 intermediate tints: beneath of a golden, or blue-green, sometimes blue: legs 

 and rostrum the same ; the latter somewhat wrinkled : head oblong,.punctured 

 with a fovea on the forehead : thorax very convex, shining, thickly but rather 

 finely punctured, with an obsolete dorsal channel: elytra thickly and some- 

 what deeply punctured, the punctures irregularly dispersed in striae, giving a 

 wrinkled appearance. 



Extremely variable in colour, every tint of blue and green occurring: the sides 



