Cistela.~] HETEROMERA. 29 



oval, very shining, black, sometimes with an aeneous tinge ; head closely 

 punctured, antennae long, pitchy or ferruginous with base lighter ; 

 thorax transverse, with sides rounded in front, distinctly and not very 

 clo.-ely punctured, especially on disc, posterior angles obtuse, almost 

 right angles ; elytra strongly punctate-striate with the interstices 

 sparingly punctured ; legs red, long and slender. L. 7-9 mm. 



Male with the antennae slightly serrate, the fourth joint one and a 

 half times as long as the third, and the anterior tarsi rather plainly 

 dilated. 



Female with the antennae filiform, the fourth joint only a little longer 

 than the third, and the anterior tarsi slightly dilated. 



The r. ferruginea, F., has the elytra and often more or less of thorax 

 castaneous or ferruginous ; it occurs with the type. 



On young hazel, oak, &c. ; often on flowers and by sweeping amongst grass ; local, 

 but not uncommon in some districts ; Dareuth and Birch Woods, Mickleham, 

 Croydon, Besley, Riddlesdown, Abbey Wood, Gnildford ; Norfolk ; Hertford ; 

 Wrabness, Essex ; Dover ; Hastings ; Portsdown Hill, near Portsea ; Coopers Hill, 

 Gloucester; Llaugollen ; Matlock, Lovers' Walk. I know of no record farther north 

 than the last-mentioned locality, where I have taken it sparingly. 



C. ceramboides, L. (s.g. Pseudotisttla, Crotch). Oblong-oval, 

 black with the elytra testaceous, not very shining, clothed with very 

 fine and delicate silky pubescence; head finely and closely punctured, 

 eyes variable in the sexes ; thorax rather broader than long, subconical, 

 strongly and gradually narrowed in front, very finely and closely punc- 

 tured, sinuate on each side at base, posterior angles almost right angles; 

 elytra finely punctate-striate, interstices flat, very finely and closely 

 punctured or alutaceous; legs long and slender. L. 9-11 mm. 



Male with the antennae longer than in the female and more acutely 

 serrated, with the third joint one and a half times as long as the second ; 

 eyes strongly prominent. 



Female with the antennae shorter and less acutely serrated, with the 

 third joint twice as long as second ; eyes moderately prominent. 



On oaks ; occasionally on Umbelliferous flowers ; the larva and sometimes the per- 

 fect insect is found in old decaying branches still remaining on the trees; rare; 

 Camberwell, Chohham, Lee, Darenth Wood, Sydenham, Belvedere, Dulwich ; Hert- 

 ford ; Leominster ; Cambridge ; Glanvilles Wootton, Dorset ; Sherwood Forest 

 (Matthews and Sidebotham^. 



C. murina, L. (sericea, Drap. ; s.g. Isomira, Muls.). Oblong-ovate, 

 subparallel, not very convex, rather dull, clothed with fine thick ashy 

 pubescence, black or brownish-testaceous, or with the elytra testaceous 

 and the thorax dark, margins of the latter sometimes ferruginous ; head 

 closely punctured, antennae long, red ; with the apex of the joints often 

 dusky ; thorax broader than long, with the sides regularly rounded and 

 narrowed in front, very closely and finely punctured, posterior angles 

 slightly acute ; elytra with indistinct stride, interstices very closely 

 sculptured ; legs long, clear reddish-testaceous. L. 5^-7 mm. 



