92 U. S. NATIONAL MUSEUM BULLETIN 216 



Pimpla stultor Davis, 1898, Trans. Amer. Ent. Soc, vol. 24, p. 367; c?. New 



synonymy. Type: d\ Toronto, Ont. (Philadelphia). 

 Calliephialtes benefactor Cushman, 1931, Proc. U. S. Nat. Mus., vol. 79, art. 14, 



p. 6; (?, 9 • Type: 9 , Burlington, N. J. (Washington). 



Front wing of male 4.5 to 9.0 mm. long, of female 7.0 to 11.5 mm. 

 long; propodeum a little rugulose near its midline and with indistinct 

 parallel longitudinal ridges at position of the median longitudinal 

 carinae, its punctures separated by about 0.8 their diameter; male 

 subgenital plate and the preceding sternite as in figure 330, k; apex 

 of male clasper elongate (fig. 335) ; male eighth and ninth tergites not 

 fused; ovipositor sheath about 2.5 as long as front wing; tip of ovi- 

 positor as in figure 329,f. 



Male: Black. Upper half of scape in front, pedicel in front, palpi, 

 tegula, and narrow wedge-shaped mark on upper margin of pronotum 

 extending from hind corner about 0.7 the distance to notaulus, white; 

 clypeus ferruginous; often more or less of mesoscutum except for a 

 broad median stripe, often more or less of mesosternum and meso- 

 pleurum, and always the subtegular ridge and scutellum, fulvous; 

 front coxa whitish with a fulvous tinge; front trochanters white; front 

 and middle femora fulvous, whitish in front and on apex; front and 

 middle tibiae whitish with fulvous tinges ; front tarsus whitish, tinged 

 with fulvous apically; middle coxa fulvous and whitish; middle tro- 

 chanters white, the first trochanter fulvous basally above; middle 

 tarsus stramineous, its last segment fuscous; hind coxa and first tro- 

 chanter fulvous, the apex of first trochanter whitish; hind second 

 trochanter whitish; hind femur fulvous, its extreme apex whitish and 

 subapically with weak infuscation; hind tibia fuscous, its basal 0.12 

 and its lower edge whitish, its dorsal edge more narrowly and less 

 distinctly whitish with an apical and a subbasal constriction or inter- 

 ruption of the whitish mark. 



Female: Black. Clypeus dull ferruginous; pedicel in front and 

 apical edge of scape in front often dusky ferruginous to stramineous; 

 palpi white; tegula and cuneate mark on upper margin of pronotum 

 (extending from hind corner about 0.65 the distance to notaulus), 

 white; more or less of subtegular ridge and of scutellum, and often 

 more or less extensive areas on mesosternum, mesopleurum, and 

 lateral lobes of mesoscutum, fulvous; front and middle legs fulvous, 

 the apex of their first trochanters, all of second trochanters, apex of 

 femora, and basal 0.15 ± of tibiae whitish, the middle tarsus some- 

 what infuscate; hind coxa and first trochanter fulvous; hind second 

 trochanter whitish with fulvous tinges; hind femur fulvous, its apical 

 0.15 ± infuscate and its extreme apex stramineous; hind tibia in- 

 fuscate, its lower and upper edges a little paler and its basal 0.15 ± 

 stramineous; hind tarsus fuscous. 



Specimens (35 d\ 519): From Maryland (Easton); Minnesota 



