Rhagio palpalis (Adams 1904)

Rhagio palpalis Adams
1904. Leptis palpalis Adams, Kans. Univ. Sci. Bui., n, p. 442.
1908. Rhagio palpalis Kertesz, Cat. Dip., in, p. 309.
I have been unable to refer any specimens with any certainty to this species and have not had an opportunity to study the type. The original description follows :
"Male. — Head black, occiput, frontal triangle, face and cheeks gray pollinose and white pilose; proboscis and palpi yellow, pile of latter black; antennae dark fuscous, tip of second joint, and third wholly, yellowish, arista black. Thorax black; mesonotum brownish pollinose, marked with a hair line in the middle, two subdorsal broader ones, and lateral margins gray pollinose, pile black; humeri testaceous, scutellum likewise, with base and pile black; pleura gray pollinose, pile above front coxae, and on metapleura white; hal teres yellow. First, second, third and fourth abdominal segments, except in middle and on sides, yellow; remaining segments, except narrow posterior margins, black; pile black. Coxae black, with white and black pile, trochanters black, femora except poorly denned brownish ring in middle of the two anterior pair, and apical half of hind pair, yellow; four front tibiae yellow, hind ones and all tarsi fuscous. Wings hyaline, with a subfuscous tinge, most prominent on anterior half and along veins; stigma elongate. Length, 10.5 mm.
"One specimen; Washington."