]^2 PEOCEEDINGS OF THE NATIONAL MUSEUM vol.79 



terior callus; scutellum pale yellow, bearing three lateral, one discal, 

 and one larger than usual decussate apical pair of bristles, hairs on 

 disk long and erect ; calypters opaque, white. 



Abdomen nearly as broad as long, black in ground color, the sides 

 obscurely reddish ; last three segments with thick gray pollen extend- 

 ing well to the hind margins; first segment without median mar- 

 ginals; second with two large pairs; third with a marginal row; 

 fourth entirely covered with long bristly hairs; no defined patches 

 of hairs on venter. The genitalia have been dissected from the single 

 specimen and now are apparently lost. 



Legs except tibiae black; hind tibiae bearing a row of uneven 

 bristles on the posterior edge ; claws and pul villi elongate. 



Wings hyaline; first posterior cell open considerably before wing 

 tip; third vein with three or four hairs at base; costal spine not 

 developed. 



Female. — Front 0.351 of the head width (head somewhat shrunken 

 in the one specimen) ; the usual orbitals present; verticals two pairs; 

 claws and pulvilli short ; in other details very similar to male. 



Length, 10.5 mm. 



ry^e.— Female, U.S.N.M. No. 43339. 



Described from 2 specimens in the United States National Museum : 

 1 female labeled 3101 G, May 16, 1910 ; and 1 male, 3101 G, May 13, 

 1910, with an additional Townsend dissection label TD4T64. Pre- 

 sumably, both specimens are from Massachusetts. 



(3) WINTHEMIA FUMIFEKANAE TothiU 



Winiliemia fumiferanae Tothill, Can. Bnt., vol. 44, pp. 2-3, 1912; Can. Ent., 

 vol. 45, pp. 7-4-75, 1913. — Walton, Proc. Ent. Soc. Washington, vol. 15, 

 p. 25, 1925. — Johnson, List, p. 203, 1925. — Essig, Insects West. North Amer., 

 p. 584, 1926.— Aldeich, Bull. Brooklyn Ent. Soc, vol. 22, p. 24, 1927.— West, 

 New Yoi-k State List, p. 817, 1928. 



'NemosHirmia pUosa Townsend, Ins. Insc. Menst., vol. 14, p. 35, 1926. 



Male. — Front greatly narrowed above, widening rapidly from about 

 the middle to base of antennae, at narrowest 0.127 of the head width 

 (average of four: 0.15; 0.12; 0.11; 0.13) ; parafrontals gray pollinose 

 blackish near vertex, clothed with fine black hairs; median stripe 

 reddish brown, triangular, at antennae wider than one parafrontal; 

 frontals about 14 in number, the uppermost moderately strong, recli- 

 nate, the preceding ones decussate to antennae, extending about to the 

 middle of second antennal joint; orbitals none; outer verticals not 

 strong, about one-half as long as the inner pair ; ocellars long, procli- 

 nate ; paraf acials gray pollinose, hardly at all narrowed downward, 

 thickly clothed with hairs to or below middle except near eyes; 

 antennae red more or less infuscated, third joint about one and one- 

 fourth times the length of second ; arista red, thickened on proximal 



