348 U. S. NATIONAL MUSEUM BULLETIN 2 1 6 part 3 



the female its apical carina elevated sublaterally to form rudimentary 

 crests, mesad of these crests turned obliquely forward, either weakly 

 continuous across the middle or interrupted; hind femur about 5.2 

 as long as deep in both sexes; sides of areolet subparaUel; nervulus 

 beyond basal vein by about 0.3 its length; nervellus broken near its 

 lower 0.35 ; petiole with a blunt, indistinct dorsolateral and ventrolateral 

 ridge, with some weak, fine, indistinct wrinkling but mostly smooth; 

 second tergite subpolished, its hair sockets separated by about 0.8 

 the length of the hairs; ovipositor normal for the genus. 



Male: Black. Basal one and one-half segments of maxillary palpus 

 brown, the rest stramineous; labial palpus brown; tegula blackish; 

 front coxa and front and middle first trochanters blackish brown to 

 fulvous brown, the trochanters usually with a narrow white stripe in 

 front; front and middle second trochanters brownish fulvous; front 

 and middle legs beyond trochanters fulvoferruginous, their tarsi 

 brownish apically, the median segments of middle tarsus often pale 

 fulvous or whitish; hind femur ferruginous, its apex weakly infuscate; 

 hind tibia and tarsus blackish brown, segments 2-4 of the tarsus and 

 sometimes apex of segment 1 white or whitish; wings subhyaline or 

 faintly tinged with brown; abdomen ferruginous; tergites 2 and 3 

 with a broad indistinct postmedian band that is faintly to strongly 

 infuscate, tergite 4 with its apical 0.7 ± fuscous; fifth and following 

 segments black. 



Female: Black. Palpi brown; flagellum with a median white 

 mark covering the upper half of about four segments, basad of the 

 white mark blackish above and brown below, apicad of the white 

 mark blackish brown to pale brown (the pale brown of the apical 0.4 

 of the flagellum of about half of the specimens of this species is a 

 strildng character, but not useful of course for those specimens in 

 which it is darker); tegula black; coxae and trochanters dark brown 

 to blackish, the front coxa and trochanters somewhat paler than the 

 middle and hind ones; femora ferruginous to brownish ferruginous, 

 the front and middle femora usually darkened basally; front and 

 middle tibiae and tarsi brownish ferruginous; hind tibia and tarsus 

 brown, the apical 0.4 or less of basitarsus and tarsal segments 2-4 

 white or whitish; wings subhyaline or with a faint brownish tinge; 

 abdomen ferruginous, the fifth and following segments sometimes 

 infuscate. 



Type: 9, Riverhead, Long Island, N.Y., May 10, 1952, Roy 

 Latham (Washington, USNM 63806). 



Paratypes (Tcf', 229): From Florida (Jacksonville); IHinois (Mc- 

 Henry) ; Maryland (Bowie); Michigan (Arenac Co., Douglas Lake in 

 Cheboygan Co., Midland Co., Missaukee Co., and Ionia Co.); Min- 

 nesota (Lake City); New York (Cold Spring Harbor, Farmingdale, 



