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Front four coxae, all the trochanters, bases and apices of the femora, basal 

 third and broad apices of the front four tibiae, basal fourth and apex of the hind 

 ones, and the first two joints of the front four tarsi, yellowish; legs elsewhere 

 piceous or brownish black. 



Wings hyaline, stigma luteous; apical cross-vein straight, very oblique, the 

 apex of the first posterior cell acute. Squamae white, with pale yellowish 

 border and white fringe. Halteres yellow. 



Abdomen shining greenish black, very thinly whitish pollinose; short whitish 

 pilose, the middle line and apices of the second and third segments short black 

 pilose. 



Holotype. — 9 , Carmel, California (L. S. Slevin), in my collection. 



