264 Mr. E. Saunders' Synopsis of 



31. Andrena tridentata, Kirby. 



Kirby, Mon. Ap. Angl. ii., p. 132 ; Smith, Cat. Brit. 

 Hym., 2nd ed., p. 52. 



Black ; clothed with pale fulvous pubescence. ^ with 

 the ventral apical valve entire and somewhat truncate ; ? 

 with the apical fringe pale ; the hairs on the extreme 

 apex of the 5th segment and those on the 6th reddish 

 golden. Scopffi very pale fulvous. 



(? . Very like that of foiscipes, but larger, the abdo- 

 men more hair}^ the hairs longer and not forming such 

 distinct apical bands, the apical ventral segment wider at 

 the apex and more truncate. 



? . Differs from fuscipes in the paler colour of the 

 pubescence, in having the antennae with the apical joints 

 entirely pale, the 5th abdominal segment with pale hairs 

 slightly golden at the apex, and the 6th with reddish gold 

 hairs ; pubescence of the legs paler, that of the scopae 

 being pale whitish, with a slightly fulvous tint, that 

 of the tarsi pale cinnamon -brown ; tarsi testaceous. 

 Length 10 — 11 mm. 



Hab. Very rare, especially the ? . Southwold ; Nor- 

 wich ; Cromer ; Bournemouth ; Christchurch, Hants. 

 Occurs on the ragwort. 



32. Andrena fulvicrus, Kirby. 



Kirby, Mon. Ap. Angl. ii., p. 138 ; Smith, Cat. Brit. 

 Hym., 2nd ed., p. 57. 



Face in the ^ clothed with long brown hairs mixed 

 with black ; of ? with brown hairs. Thorax with brown 

 hairs in both sexes. Abdomen in the 3' clothed with 

 pale ochreous hairs, each segment with an apical band 

 of ochreous hairs, hairs of apical segment brown. ? ; 

 abdomen clearly and closely punctured, first four seg- 

 ments with an apical band of very pale fulvous pubescence, 

 sometimes white ; apical fimbria long and black. Scopae 

 golden. 



<? . Face densely clothed with brown hairs surrounded 

 with black ; labrum without the raised sulcate tubercle 

 observable in the foregoing species. Vertex dull, punc- 

 tured. Antenna3 not reaching to the scutellum. Meso- 

 thorax dull, punctured, clothed with obscure brownish 

 hairs. Metathorax rugose, hairy all over like the 



