560 PROCEEDINGS OF THE ACADEMY OF [Nov., 



Type Locality. — California. (No further data.) 

 Related to A. (A.) fulvihirta Viereck and Cockerell. 

 Female. — Length 12 mm.; body black, abdomen with a faint 

 greenish tinge, mostly covered with pale ochreous or whitish hairs; 

 head with its facial line : transfacial line :: 70 : 89, axial line : tem- 

 poral line :: 35 : 21, malar line : joint 3 of antennae :: 2 : 11, ocelloc- 

 cipital line : greatest diameter of lateral ocellus :: 6 : 5, elevated 

 portion of malar space in part nearly as long as depressed portion, 

 head covered with whitish hairs, front rather distinctly, longitudinally 

 striate and finely reticulate, not elevated into a welt along the fovea, 

 fovea at most : ocellocular line :: 9 : 18, foveal band present and at 

 upper end of the inner eye margin : ocellocular line : : 2 : 18, distance 

 between fovea and ocelli : ocellocular line :: 8 : 18, fovea slightly 

 attenuated below its middle where it is nearly as wide as the greatest 

 width of the fovea, the latter continued apparently to the antennal 

 line, fovea filled with whitish hairs, vertex and temples along the 

 upper edge of the eye with whitish hairs, face mostly shining, partly 

 indistinctly reticulate, with indistinct punctures that are from one 

 to three puncture widths apart, clypeus distinctly elevated above 

 the apical margin, convex, sculptured like the face except that the 

 punctures are sparser on the apical half, seemingly transversely 

 reticulated, clypearea wanting, clypeus quite hairy its sculpture 

 nearly hidden by hairs, labrarea slightly subemarginate, its width 

 at base : length down the middle :: 10 : 3.5, width at apex : length 

 down the middle :: 7 : 3.5, labrarea at base nearly half as wide as 

 the labrum, the latter with a fringe of pale ochreous hairs, labrum 

 punctured between the labrarea and apical edge of labrum, joint 

 3 of antennae : 4 + 5 :: 11 : 9, joints 4 and 5 and following joints 

 except end joint thicker than long, the end joint distinctly longer 

 than thick, antennae blackish throughout, mandibles typical, robust, 

 extending nearly to the outer edge of the labrarea, black except for 

 the apical half which is clear reddish, mandibles at base with a dome- 

 shaped polished bursa, palpi nearly typical; thorax covered with an 

 abundance of pale ochreous almost white hairs which are decidedly 

 shorter and thicker on the dorsulum than the almost whitish hairs 

 on the mesopleurae, dorsulum dullish, finely reticulated and indis- 

 tinctly punctured, the punctures not forming sharp contrast to the 

 reticulation, notauli represented by a shining line, mesopleurae with 

 almost whitish hairs, sculptured somewhat like the dorsulum, its 

 lower and anterior aspect, however, more shining and more distinctly 

 punctured, scutel hairy and sculptured much like the shining part 



