20 PROCEEDmGS OF THE NATIONAL MUSEUM vol.79 



Length, 8.5 mm. 

 Female. — Unknown, 

 ryjpe.— Male, U.S.N.M. No. 43580. 



Described from two specimens taken at Menard, Tex., April and 

 September, 1930, by H. E. Parish. 



(8) WINTHEMIA VESICULATA Townsend 



Trisisyropa vesiculata Townsend, Ins. Insc. Menst., vol. 4, p. 2S, 1916. 

 Wmthemia vesiculata Townsend, Johnson, List, p. 203, 1925. 



A rather slender shining black form, with the sides of the front 

 densely yellow pollinose; apex of scutellum and abdomen reddish; 

 abdominal segments 2 and 3 with whitish pollen on basal third 

 to half, the hind margins shining black. 



Front of female (vertex) 0.3 of the head width in the single spec- 

 imen ; face silvery pollinose, the sides with only a few hairs at middle 

 none along border of eye ; vibrissae on oral margin ; antennae black, 

 third joint reddish on inner posterior edge, broader than one para- 

 facial and twice the length of second joint; palpi yellow; ocellars 

 strong; orbitals two pairs, proclinate; verticals moderately devel- 

 oped ; cheek in profile one-eighth the eye height. 



Thorax narrower than usual; mesonotum shining black, lightly 

 dusted with pale gray pollen, the dorsal stripes indistinct; scutel- 

 lum sprinkled with grayish or white pollen becoming thinner toward 

 base ; calypters white tinged with yellow. 



Abdomen slender, black, the sides and apex reddish; interme- 

 diate segments polished on about apical half but apparently sub- 

 poUinose in a flat rear view; venter black, the narrow hind margin 

 of the tergites pale yellow ; first segment without median marginals ; 

 second with one large pair; third bearing a marginal row of about 

 10; fourth with a cliscal and a marginal row; hairs on segments. 

 2 and 3 depressed. 



Legs black; mid tibiae with one large and two small bristles near 

 middle on outer front side ; hind tibae with a row of uneven bristles 

 on the outer posterior edge; tarsal joints ordinary; claws and pul- 

 villi short. 



Wings hyaline; venation as usual; third vein with two hairs at 

 base ; costal spine minute. 



Length, 9 mm. 



Male. — Unknown. 



ry;?^.— Female, U.S.N.M. No. 19600. 



Redescribed from the type specimen collected September G, 1914^ 

 Sebago Lake, Me., by Dr. C. H. T. Townsend. 



