182 THE CANADIAN ENTOMOLOGIST. 



submarginal cell very broad, receiving the first recurrent nervure at its 

 middle. Legs black, apical joints of tarsi becoming dull ferruginous. 

 Femora with very long white hairs. Abdomen moderately broad, having 

 a silky lustre, strongly minutely tessellate, impunctate. All the segments 

 sparsely hairy, their hind margins with thin white hair-bands, failing in 

 the middle. Venter with continuous white hair-bands. Apex with white 

 hairs. 



Habitat. — College Farm, Mesilla Valley, N. M.; on plum; March 

 25th, 1896. 



b. Clypeus pale primrose yellow in the 1^ , abdomen punctate. 



(i) Larger, distance between the clypeal dots iu ^ not greater than 

 distance from one to top of clypeus. 

 Afidrena capricornis, Casad and Ckll , n. sp. — ^ . Length, 8 mm.; 

 stoutly built; black, with dull white pubescence; clypeus and a large mark 

 on each side of it very pale primrose yellow. Head broader than long, 

 face and front with rather long but thin pubescence; clypeus large, unusually 

 high, almost bare, with scattered punctures ; there are either two minute 

 gray dots or there may be two gray bands, extending upward and laterad 

 from the position of the dots, meeting each other at a right angle. The 

 lateral face-marks are irregularly diamond-shaped, the upper outer margin 

 notched. Vertex roughened, a polished, sparsely punctured area at the 

 summit of each eye. Antennae fairly long, black, the tip of the flagellum 

 beneath becoming dark coffee-colour. First joint of flagellum about as 

 long as second and third together, second not as long as broad. Mandi- 

 bles wholly black ; lower margin of clypeus black, arcuate ; basal process 

 of labrum emarginate. Thorax quite densely pubescent ; mesothorax 

 dull, rather closely punctured ; scutellum shiny, irregularly punctured ; 

 enclosure of metathorax granular, bounded only by an impressed line. 

 Tegul^e dark chestnut brown, wings hyaline, nervures and stigma dark 

 reddish brown, costal nervure black ; second submarginal cell narrowed 

 above, receiving the first recurrent nervure just before its middle. Legs 

 black, pubescent, apical joints of tarsi becoming more or less rufescent. 

 Abdomen rather broad and short, punctured, only moderately shiny, 

 clothed all over with thin white pubescence, which forms ill-defined 

 bands, interrupted in the middle, on the hind margins of the segments. 

 When the insect is viewed from the side the bands on segments 2 to 4 

 look very white and distinct, as, indeed, do those on 2 and 3, viewed 

 from above. 



