COLLETID^. 177 



a band of whitish hairs, the second also with a well-defined 

 basal band. 



L. 9-11 mm. 



Occurs in August on commons, frequents the flowers of 

 the common heath, and is generally distributed. 



C. fodiens, Kirh. — $ differs from the preceding in 

 having the antennfe slightly shorter, the sixth ventral seg- 

 ment of the abdomen not distinctly foveated, but with a 

 wide shallow lateral depression on either side, all the seg- 

 ments beneath very shining, flat, their apical halves slightly 

 impressed, and the pubescent bands interrupted, armature 

 with the stipites much longer, and without an elongate 

 apical hairy process, sagittae about as long as the 

 stipites, their wings extending to the apex, legs more 

 hairy, tarsi with the joints wider, being nearly as wide as 

 long. 



? differs from succincta in the more brightly-coloured 

 hairs of the thorax, the dull much more rugosely punctured 

 abdomen, the concolorous apical margins of the segments, 

 although that of the first is sometimes narrowly testaceous, 

 the wider more ochreous pubescent bands, the basal one of 

 the second segment sometimes wanting, and the shorter 

 cheeks ; the clypeus also is more densely hairy, and slightly 

 emarginate. 



L. 9-10 mm. 



Frequents Senecio, Tanacetum, &c., and occurs in July 

 and August. Southwold ; Hayling Island ; Bournemouth ; 

 Littlehampton. Barmouth; (Sm/i/i). Lowestoft ; (Jfoc/c-e). 

 Norfolk ; [Bridgman). Bridgenorth ; Salcombe ; (Mar- 

 shall). 



C. picistigma, Thorns. — Closely allied to both the pre- 

 ceding ; the S may be known from succincta by its 

 shorter antennae, its unfoveated sixth ventral segment, and 

 by the stipites which have no apical hairy process ; the 

 sagittfeare also difi'erently formed; from fodiens by the less 

 flat, duller surface of the ventral segments, and their entire 



