108 PROCEEDINGS OF THE NATIONAL MUSEUM vol.98 



reclinate preverticals ; facial ridge bristly on lowest one-fourth; gena 

 one-fourth eye height and covered with fine white hairs; frontal orbit 

 golden, face silver- white pollinose; antenna with first two segments 

 and basal part of third yellow, third segment two and one-fourth 

 times second; arista thickened on basal one-fourth, penultimate seg- 

 ment short ; palpus pale yellow. 



Thorax golden-pollinose, marked with four mesonotal vittae; three 

 postsutural dorsocentral macrochaetae; scutellum golden pollinose, 

 with three pairs of marginal scutellars and one decussate apical pair 

 turned backward; two sternopleural macrochaetae; legs with coxae 

 and femora yellow, tibiae brown, and tarsi black; midtibia with one 

 median anterolateral bristle and inner ventral bristle; hind tibia 

 roughly ciliate; no bristly hairs behind on apex of hind coxa; third 

 vein with three to five bristles at base. 



Abdomen reddish yellow, golden pollinose; first and second seg- 

 ments with a pair of discal macrochaetae; first and second segments 

 with a pair and third with a row of marginal macrochaetae ; fourth 

 segment covered with a few scattered small bristles ; abdominal hairs 

 depressed. 



Length 8 mm. 



Type locality. — Fort Wadsworth, Staten Island, N. Y. 



Distribution. — New York 1, Pennsylvania 1. 



Type.— Female, U.S.N.M. No. 25701. 



Host. — Unknown. 



Remarks. — The material examined consisted of the type specimen, 

 July 16, 1917, and one female, Swarthmore, Pa., June 18, 1906. 



U. S. GOVERNMENT PRINTING OFFICE: 194S 



