BEES OF GREAT BRITAIN. 181 



cenee. Abdomen short, blunt at the apex, thinly clothed with 

 long pale pubescence, intermixed with fuscous towards the 

 apex ; the apical margin of the sixth segment emarginate, and 

 its inflexed margin having an angular tooth on each side ; the 

 seventh segment has a single central obtuse tooth. B.M. 



This species is local, and is not often met with near London ; 

 its colonies are formed in sunny banks : it is plentiful in Hamp- 

 shire and in many parts of Surrey. It has not been received 

 from the north of England. 



8. Megachile Willughbiella. 



M. fulvescenti-pubescens ; abdomine brevi, ano nigro ; antennis 

 maris articulo ultimo compresso, dilatato ; tarsis anterioribus 

 dilatato-ciliatis. 



Apis Willughbiella, Kirby, Mon. dp. Angl, ii. 233. 41. 

 Megachile Willughbiella, Latr. Hist. Nat. xiv. 57. 11. 



Curtis, Brit. Ent. iv. t. 218. 



St. Farg. Hym. ii. 333. 5. 



Smith, Zool. ii. 691. 1. 



Nyland. Ap. Boreal, p. 256. 2 $ , not the ? . 

 Megachile fulviventris, Zett. Ins. Lapp. p. 465. 2. 

 The Willow Bee, Ray's Letters, p. 72, 74. 



Female. Length 6-7 lines. Black : head as wide as the thorax, 

 the face clothed with dark fulvous pubescence, the vertex with 

 black, and the cheeks with pale ochraceous ; the mandibles 

 stout, prominent and quadridentate, the two apical teeth acute, 

 the inner pair obtuse. Thorax shining ; above, clothed with a 

 rufo-fulvous pubescence, at the sides and beneath it is paler ; 

 the wings subhyaline, the apical margins faintly clouded, the 

 nervures and tegulse black ; the legs have a short fulvous 

 pubescence, that on the tarsi beneath ferruginous, the calcaria 

 and claws ferruginous, the latter black at their tips. Abdomen 

 subcordate ; the three basal segments have a pale fulvous pubes- 

 cence, that on the apical segments is much shorter, and black ; 

 the fourth and fifth segments have a narrow fringe of white 

 pubescence; the pollen-brush on the abdomen beneath is black 

 at the sides and at the apex, and fulvous in the middle. B.M. 



Male. Length 5-6 lines. The face has a pale fulvous pubes- 

 cence, that on the clypeus very bright and glittering ; the an- 

 tennae half the length of the thorax, the apical joint compressed, 



