442 apid.t:. 



B. Enclosed space at base of mediau segment 



finely obliquely striate A. yracillima, p. 444. 



C. Enclosed space at base of median segment 



reticulate. 



a. Clypeus black, witb a broad triangular brown 



macula , A. anonyma^ p. 444. 



b. Clypeus black, immaculate. 

 a'. Length 8-9 mm. 



a^. Apical margins of abdominal segments 



rufo-testaceous A.Jloridula, p. 444. 



&2. Apical margins of abdominal segments , a '^ 



black A. p/uedrci, p. 444. {^.^-iXtixZ^^ 



v. Length 12-13 mm. 



a^. Median segment obscurely transversely 



striate . A, morosa, p. 445. 



b'^. Median segment not transversely 

 striate. 

 a'K Median segment with a small smooth 

 triangular space beneath enclosed 



reticulate space at base A. sacrissimay p. 44^5. 



b^. Median segment concavo-truncate 

 posteriorly, without such triangular 



space A. reticulata, p. 445. 



I). Enclosed space at base of median segment 

 longitudinally rugose. 



a. Abdomen nearly bare or with very short 



pubescence A. mollis, p. 446. 



b. Abdomen with stiff, somewhat dense pubes- 



cence on apical three segments A. harrietce, p. 446. 



776. Andrena torrida, Smith, Netv iSp. Hym. B. M. p. 50, $ j ; Ball. 

 Ton: Cat. x, p. 156. 



2 . Head, pronotum, and mesonotum shining, rather closely 

 punctured ; mediau segment and abdomen smooth, with only 

 a few scattered punctures ; clypeus broad, anteriorly margined 

 and fimbriated with stiff hairs ; a fine Y-shaped groove on the 

 median segment, the space enclosed by the fork of the Y uuder a 

 high magnifying-power appears very minutely and densely punc- 

 tured ; abdomen oval. Black ; the apical half of the 1st to the 

 base narrowly of the 6th abdominal segment red ; the clypeus and 

 lower half of the face, the thorax and abdomen sparsely covered 

 with soft pale pubescence, slightly fuscous on the median segment 

 and apex of the abdomen, and white and glittering on the legs ; 

 the apical joint of the flagellum of the antennae and the posterior 

 femora beneath obscurely rufo-testaceous ; wings fusco-hyaline, 

 with a purple effulgence paler at base, 



c? similar, slighter ; abdomen broader posteriorly than at base, 

 the basal two-thirds of the 1st segment, the middle above of the 

 4th, and the apical two segments black ; the pubescence on the 

 face fulvous, white on the abdomen, forming subapical transverse 

 bands on the apical four segments. 



Hah. Central and Western India. $ <S . Length 12-13 ; exjx 

 23-25 mm. 



