334 HYMENOPTERA ACULEATA. 



face of the ? ; from xantliomelana by the smaller size, 

 and the dull basal area of the propodeum of both sexes, 

 the black haired abdomen of the cJ, and the pale haired 

 face of the ? ; the abdomen is very short in both sexes, 

 and the basal segment only is fulvopubescent, seventh 

 segment deeply notched in the c?i second ventral seg- 

 ment narrowly emarginate in the centre, third visible 

 only at the sides, fourth hairy at the apex, stipites not 

 dilated outwardly, but slightly v^idened on the inner margin 

 before the apical attenuation, scopa black in the ? ; pos- 

 terior metatarsi with a small spine beneath in the S • 



L. 8 mm. 



This little species appears in June, and has occurred only 

 in the North, and in Wales ; Ambleside, Westmoreland ; 

 Loch Eannoch ; Grampian Hills ; Bridgend, Glamorgan- 

 sh.ire ; {Smith). Near Ruthin, Denbighshire; {Gardner). 

 The cocoons of this species, according to Smith, are 

 attached to the lower surface of stones which have a 

 hollow space beneath them, he once had a stone with 230 

 cocoons under his observation, the bees from some of the 

 cocoons did not emerge for three years after the stone was 

 found. 



0. C86rulesceilS, Linn, {cenea, Smit/i, cyanea, Fab.). 

 Head and thorax closely punctured, bi'onzy, slightly shining 

 and clothed with fulvous hairs in the S, blue-black, dull, 

 and clothed with greyish hairs in the ? , antennse in the <J , 

 reaching to beyond the tegulse ; wings slightly dusky, pro- 

 podeal area shining; abdomen short in both sexes, and closely 

 punctured, rather shining, bronzy in the c?, sparingly 

 clothed with pale fulvous hairs, blue in the ? sparingly 

 clothed on the disc, and more densely at the sides, with 

 greyish hairs, the pubescence in both sexes forming more 

 or less distinct bands at the apices of the segments, especi- 

 ally on the fourth and fifth in the ? , sixth segment in that 

 sex entirely clothed with adpressed grey hairs, sixth in the 

 c? nearly entire, or with a nearly obsolete apical emargina- 

 tion, seventh bidcntatc, second ventral segment largely 



