60 MANDIBULATA. — COLEOPTERA. 



Oblong, rufo-ferruginous, with the eyes and tip of the rostrum black : thorax 

 bisinuated at the base, with a dorsal groove; the disc rugose-punctate: 

 scutellum rounded, clothed with dense shining -whitish pubescence: elytra 

 deeply crenate-striate, with the interstices somewhat rugose, irregularly 

 pilose: breast and abdomen black, obsoletely rugose-punctate: anterior 

 femora unarmed; posterior with a single small tooth in the middle. 



Far from uncommon in woods in the vicinity of London ; espe- 

 cially at Coombe and Darenth, frequenting the alder and liazel. 

 " Dalston." — T. CHeysham, Esq. " Common on Alnus glutinosus, 

 particularly about Sketty-bog." — L. W. Dillwyn, Esq, 



Sp. 3. semirufus. Oblongus, niger, pubescens, scutello albido-piloso, elytris,. 

 antennis pedibusque rufo-ferrugineus. (Long. corp. 1^ Un.) 



Rh. semirufus. Gyllenhal. iv. 597. 



Oblong, black, pubescent: head with griseous pubescence, punctured: eyes 

 brown : rostrum black, smooth : antennw rufo-testaceous, with the club fus- 

 cescent : thorax bisinuated at the base : thickly and deeply rugose-punctate, 

 clothed with depressed cinereous hairs : scutellum whitish : elytra large, 

 deeply punctate-striate, entirely rufo-ferruginous, with ashy-white depressed 

 hairs: breast and abdomen entirely black, with griseous- white down: legs 

 dull rufo-testaceous, with the joints and hinder femora sometimes dusky, the 

 latter armed with several denticulations. 



Amongst my series of tliis genus I have recently detected a single 

 example of this insect, caught by myself near London. 



Sp. 4. ferrugineus. Ferrugineus, rostro capite abdoviine antice genubusque 



aterrimis. (Long. corp. 1^ lin.) 

 Cu. ferrugineus. Marsham.—Ox. ferrugineus. Steph. Catal. 161. IVo. 1636. 



Ferruginous, viUose : rostrum and head black : thorax sUghtly bisinuated at the 

 base, the disc somewhat rugose : elytra punctate-striate, the interstices granu- 

 lated : breast and base of the abdomen black, the apex of the latter and the 

 sides ferruginous: legs ferruginous, with the joztt^,y dusky or black; posterior 

 femora spinulose. 



7\.bundant in woods throughout the metropolitan district : also 

 found in Devonshire and Somersetshire, on the oak, " Near 

 Swansea." — L. W. D'lllzvyn., Esq. 



Sp. 5. atricapillus. Testaceus, capite sterno abdominisque basi subtus nigris. 



(Long. corp. Ig lin.) 

 Cu. atricapillus. Marsham.— Or. atricapillus. Steph. Catal. 161. N'o. 1637. 



Rather narroiv, oblong : pale testaceous : the head and eyes black: thorax shghtly 

 scabrous : elytra punctate-striated, pale immaculate testaceous : breast and 



