Reprinted from Viereck, H. L. 1917. Proceedings of the Academy of Natural Sciences of Philadelphia 68(1916): 571. The copyright on this work has expired.
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TYPE. — No. 4,017. The Academy of Natural Sciences of Philadelphia.
TYPE LOCALITY. — California (no additional data except a written "n." on the locality label).
Related to A. (A.) parnassiae Cockerell.
Female.- Length 10 mm; body black, mostly covered with whitish hairs; head with its facial line : transfacial line ::53:71, axial line : temporal line ::29:16, malar line : joint 3 of antennae ::1.5:9, elevated portion of malar space nearly wanting, head covered with whitish hairs, front shiny, finely longitudinal striate, with a poorly defined crista and not elevated along the inner margin of the fovea, fovea at most : ocellocular line ::8:13, foveal band nearly wanting, fovea virtually contiguous to the upper end of the inner eye margin, distance between fovea and ocelli : ocellocular line ::6:13, fovea somewhat constricted near its upper end, nearly parallel sided throughout and continued below the constriction as a shallow furrow down to a point apparently a little below the clypeal line, fovea pale seal-brown above its middle, pale ochreous or whitish below, fovarea wanting, face dullish, finely reticulated and indefinitely punctured, clypeus distinctly elevated above the apical margin, slightly convex, with its basal half sculptured much like the face but distinctly punctured, the apical half mostly almost polished and coarsely punctured, the punctures from nearly adjoining to two puncture widths apart on each side of the impunctate, median longitudinal, feeble, labrarea truncate, width at base : length down the middle ::11:5, width at apex : length down the middle ::3 :5, labrarea at base nearly two thirds as wide as the labrum, the latter with a fringe of pale stramineous hairs, joint 3 of antennae : 4 5 ::9:9, joint 4 as thick as long, the succeeding joints a little longer than thick except the fifth which is as long as thick and the end joint which is much longer than thick, antennae blackish throughout, mandibles typical, robust, extending to the outer edge of the labrum, black except for the apical half which is dark reddish, palpi nearly typical; thorax covered with an abundance of whitish hairs which are shorter on the dorsulum where they are pale ochreous than the whitish hairs on the mesopleura, dorsulum dullish, punctured, finely reticulated except for the middle third of the posterior half which is polished and punctured, the punctures of the reticulated area from nearly adjoining to four puncture widths apart, the punctures of the polished area are much sparser, notauli represented by an impressed line, mesopleura with whitish hairs throughout, finely reticulate and sparsely punctured, scutel hairy and sculptured much like the polished part of the dorsulum except for being more finely punctured, metanotum hairy and sculptured like the dullish portion of the dorsulum except that the sculpture is denser, tegulae dark brownish stramineous, polished, wing base partly blackish brown, subcosta blackish brown, stigmata dark brownish stramineous, rest of veins dull stramineous, with a blackish tinge, first recurrent vein received by the second submarginal cell beyond the middle and apparently as near to the second transverse cubitus as the first transverse cubitus is to the stigma on the radial vein, nervulus interstitial and forming an acute angle with the first abscissa of the discoidal vein, legs blackish brown except for the tarsi which are more or less dark brownish stramineous, legs covered with whitish hairs, scopa typical, its hairs of a whitish hue, and concolorous throughout except for the hairs on the basal half of the upper edge where the hairs are blackish brown, hind metatarsi at most apparently as wide as mid metatarsi; propodeum with its enclosure poorly defined, triangular, finely reticulated, not at all rugose, rest of upper face of propodeum sculptured somewhat like the mesopleurae but seemingly with smaller pits and covered with whitish hair, propodeal pleurae distinctly reticulated and with a few ill-defined punctures, and almost hidden by the whitish floccus; abdomen with its tergum shiny, punctured and delicately reticulated, the punctures fine and from two to eight or more puncture widths apart on the first tergite except on its depressed portion where the punctures are closer together, the punctures on the elevated portion of the second, third and fourth tergites similar to those on the first tergite and sparser than on the depressed portions of the second, third and fourth tergites, where the punctures are much as on the depressed portion of the first tergite, second tergite with its elevated portion down the middle : depressed portion :: 18 : 8, fifth tergite with its sculpture coarser, its punctures not so well defined as on the preceding tergite, pygidium black, planate, truncate at apex, tergum with inconspicuous pale hairs, second, third and fourth tergites with an apical, interrupted, white, hair band, fimbria brownish.
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