British Hymenoptera. 231 



(10) 9. (J with the abdominal pale bands entue ; or if 



interrupted, then with the basal area of the 

 metathorax defined by a smoother line at the 

 sides and apex, and the mandibles long and 

 falcate ; clypeus black ; tibise entirely dark. 

 $ , bands of abdomen entire . . . . . . Div. V. 



(9) 10. ^ with one or more of the abdominal bands, 

 when present, interrupted ; basal area of meta- 

 thorax not defined by a smoother line at the 

 sides and apex, often undefined altogether : 

 clypeus sometimes white ; tibiae in some species 

 more or less pale. J , pubescent bands of the 

 abdomen, when present, interrupted as in the ^ . 

 (12) 11. Abdomen polished and shining . . . . . . Div. VI. 



(11) 12. Abdomen not polished and more or less dull, 



either from the closeness of the puncturation 

 or from the fine rugulosities of the surface 

 between them . . . . . . . . . . Div. VII. 



Division I. 



(2) 1. Large ; wings more or less brown ; abdomen 



shining, finely and remotely punctured . . Hattorjiana. 



(1) 2. Medium sized ; wings almost clear ; abdomen 



dull, except the 1st segment, and closely 



punctured. 

 (4) 3. 2nd and 3rd segments of abdomen with a pale 



apical band of hairs . . . . . . . . Cetii. 



(3) 4. 2nd and 3rd segments of abdomen naked at the 



apex . . . . . . . . . . . . cingulata. 



1. Andrena Hattorjiana, Fab. 



Fab., Syst. Ent., p. 389 {Nomada) ; Smith, Cat. Brit. 

 Hym., 2nd ed., p. 26. 



Large, black, shining ; ? often with the abdomen 

 more or less red ; wings brown. 



3 . Clypeus white, with a small black dot on each 

 side ; apical margin looked at from above truncate, 

 black ; antennae short, scarcely longer than those of 

 the $ ; vertex rugosely punctured, clothed like the face 

 with greyish hairs ; mesothorax shining, punctured, 

 covered with grey hairs ; metathorax dull, very rugosely 

 punctured and hairy. Abdomen shining, sparsely punc- 

 tured, the apical margins of the segments widely piceous 

 and somewhat impressed. Apex clothed with golden 

 hairs ; segments beneath fringed with golden hairs ; (for 

 genitalia see pi. xi., hg. 5). Legs with the tarsi more or 

 less testaceous. 



? . Larger than the g- . Clypeus black ; each side 

 of the face with a line of pale pubescence, and a slight 



