146 HYMENOPTERA ACULEATA. 



posterior femora in the ^ and the base of all the femora in 

 the ? , more or less black, intermediate pair in the ^ and their 

 trochanters spined beneath, anterior tarsi dilated in the ^ , 

 the metatarsus produced laterally into a large patella, con- 

 cave beneath. 



L. 9-10 mm. 



This extraordinary species has only been captured twice 

 in this country, and both times at Weybridge, by Mr. F. 

 Smith, a ^ occurring in 1848 and a ? in 1853, since which 

 there is no record of its capture. 



(SuBO. LINDENIUS.) 



C. albilabris, Fah. — Black with a slightly bronzy tint, 

 especially in the (J; head and thorax punctured, c? with 

 the scape of the antennas yellow at the apex, posterior ocelli 

 very remote from each other ; pronotal collar in the S with 

 an interrupted yellow line, entirely black in the ? , tubercles 

 vellow in the (J, piceous in the ?, mesothorax as wide as 

 the head, tegulae testaceous, propodeum with the basal area 

 longitudinally striated, surrounded by a crenate sulcature, 

 but without any central channel ; abdomen finely punctured, 

 covered with short decumbent grey hairs, apical dorsal valve 

 in the ? flat, largely and closely punctured and clothed 

 with very short golden hairs, its apex testaceous ; legs with 

 the femora black, their apices flavous in the cJ, tibiae and 

 tarsi flavous in the S, black in the ? , with the anterior 

 tibijB in front and the others at the base yellow, and spinose 

 on their outer side. 



L. 7-8 mm. 



Common on TJmbeUiferse, &c., and generally distributed. 



C. Panzeri, V. de Lind. — Very like the preceding, but 

 black without any brassy tinge ; both sexes may be known 

 by the large head, which is wider than the thorax ; the <J 

 may be further recognized by the strong spine on the 



