British Hymenoptera. 271 



tarsi of the other legs, clear testaceous. Length 

 8 — 9 mm. 



Hah. Common in some localities, especially in the 

 north ; Berwickshire, Wakefield, Ireland, Weybridge, 

 July ; Chobham, August ; and one ? as early as June. 



Is most like the following, under which their differences 

 are pointed out. 



38. Andrena coitana, Kirby. 



Kirby, Mon. Ap. Angl., ii., p. 147;" Smith, Cat. Brit. 

 Hym., 2nd ed., p. 64. 



Deep black, shining. <? with the clypeus and a spot 

 on each side of the face, near its anterior lateral angle, 

 white ; legs entirely black. ? with a silvery white 

 lateral spot at the apex of the 2nd and 3rd segments ; 

 legs entirely black ; scopae brown. 



(? . Head rather wide, dull, finely and closely punc- 

 tured, clothed with brown hairs on the vertex and the 

 face above the antennse, and with white hairs on the 

 clypeus ; clypeus shining, remotely punctured, white, 

 with two black discal dots ; labrum tuberculate ; just at 

 the side of the clypeus on each side of the face is a small 

 white spot, which has almost the appearance of being 

 part of the clypeus itself. Mesothorax very shining, with 

 a few scattered brownish hairs, remotely punctured. 

 Metathorax finely rugose. Abdomen shining, segments 

 not impressed at the apex, very finely punctured at the 

 base; 1st, 2nd, and 3rd segments each with a few pale 

 lateral hairs at the apex ; 4th and 5th with an apical band 

 of pale hairs ; 6th and 7th entirely clothed with them ; 

 beneath clothed with white hairs ; apical valve rounded 

 at the extremity. Legs entirely black, clothed with 

 silvery white hairs. 



? . Head and thorax dull, closely punctured, with a 

 few scattered very short hairs ; clypeus black ; frontal 

 impressions filled with brown velvety hairs ; scutellum 

 closely punctured, especially round its edges ; meta- 

 thorax finely rugose, its basal area small. Abdomen 

 very shining, elliptic ; basal segment remotely punctured ; 

 the other segments impressed at the apex, and somewhat 

 closely punctured at the base ; 2nd and 3rd segments 

 with an apical streak of white hairs on each side ; 4th 

 with an entire line of white hairs at the apex ; 5th and 



