268 Mr. E. Saunders' Synopsis of 



35. Andrena argentata, Smith. 



Smith, Zool., ii., p. 409 ; Cat. Brit. Hym., 2nd ed., 

 p. 67. 



Black, shining. <? clothed with long hoary pube- 

 scence. Abdomen shining, punctured ; apex of each 

 segment with a white pubescent band ; apex of abdomen 

 with golden hairs. Metatarsi black, four following joints 

 piceous. ? with the pubescence of the head and thorax 

 brownish. Abdomen shining, punctured; basal segment 

 very remotely punctured ; apex of each segment with a 

 white band. Scopae very pale greyish brown. Wings 

 slightly dusky. 



^ . Face clothed with grey hairs ; clypeus dull, punc- 

 tured. Antennse reaching to the apex of the scutellum. 

 Thorax clothed with grey hairs ; mesothorax dull, largely 

 and shallowl}' punctured ; metathorax finely rugose. 

 Abdomen ovate, shining ; basal segment very remotely 

 punctured, with a few long white hairs on the sides ; follow- 

 ing segments very finely and less remotely punctured ; all 

 the segments with a white apical band, widely interrupted 

 in the centre of the 1st, and very narrowly in the three 

 following ; apical fringe pale golden ; beneath with the 

 apical margins of the segments pale, and fringed with 

 long white hairs ; apical ventral valve rounded and pale 

 at the apex. Legs clothed with silvery hairs ; apical 

 joints of the tarsi piceous. 



$ . Head and thorax punctured as in the <? , but with 

 the pubescence pale mouse-brown ; that on the sides of 

 the thorax paler. Abdomen ovate, shining ; b:isal 

 segment very finely and remotely punctured, with a few 

 long hairs at the base and sides, its apex with a widely 

 interrupted band of white hairs ; following segments 

 more closely punctured, impressed at the apex ; 2nd, 

 Brd, and 4th with a white apical band, that of the 2nd 

 interrupted in the centre ; 5th and 6th clothed with pale 

 brown hairs ; apical dorsal valve triangularly raised in 

 the middle, the flattened margin very wide ; segments 

 beneath narrowly pale at the apex, and fringed with long 

 pale hairs. Legs densely clothed with pale brown hairs, 

 those of the intermediate tibiae dark ; tarsi dark piceous. 

 Length 8 — 10 mm. 



Hah. In heathy localities, on flowers of Erica ; Sand- 

 hurst, Chobham, Weybridge, Bournemouth, &c. July 



