100 U. S. NATIONAL MUSEUM BULLETIN 216 



pletely fused; ovipositor sheath about 1.8 as long as front wing; tip 

 of ovipositor as in A. variatipes (fig. 329,f). 



Male: Black. Palpi, sometimes pedicel in froDt, tegula, stripe on 

 upper margin of pronotum extending from hind corner to in front of 

 notaulus, front coxa, front and middle trochanters, front tibia and 

 tarsus, and hind second trochanter, white; front femur fulvous, 

 whitish in front and on apex; middle coxa fulvous; middle femur 

 fulvous, its apex whitish; middle tibia dirty whitish, darker apically; 

 middle tarsus infuscate, paler basally; hind coxa and first trochanter 

 fulvous, the first trochanter whitish apically; hind femur fulvous 

 with a subapical infuscation, its extreme apex whitish; hind tibia 

 dirty whitish with its apical part infuscate and a faint narrow sub- 

 basal infuscate band; hind tarsus fuscous. 



Female: Black. Palpi, tegula, and stripe on upper margin of pro- 

 notum extending from hind corner to in front of notaulus, white; 

 front coxa and trochanters white, the coxa fulvous basally; middle 

 and hind coxae fulvous; middle and hind first trochanters fulvous, 

 whitish apically; middle and hind second trochanters whitish; front 

 leg beyond trochanters fulvous, its tarsus brownish apically; middle 

 femur and tibia fulvous; middle tarsus infuscate; hind femur fulvous 

 with a weak subapical infuscation; hind tibia brown, a little paler 

 basally above and its apex darker; hind tarsus fuscous. 



Type: d\ Plummers Island, Md., April 1924, H. S. Barber (Wash- 

 ington, USNM 63684). 



Paratypes: 9, Moorestown, N. J., June 25, 1939, H. and M. Townes 

 (Townes). d\ Varna, Tompkins Co., N. Y., July 19, 1946, A. Stone 

 (Washington). 9, Wake Co., N. C, Apr. 20, 1952, H. and M. Townes 

 (Townes). 9, Brazos Co., Tex., Apr. 10, 1941, R. W. Strandtmann 

 (Townes). 9, no data (Cambridge). 



There is a scarce, but widely distributed species in eastern United 

 States. 



5. Genus Pimpla 



Figure 287,b 



Pimpla Fabricius, 1804, Systema piezatorum, p. 112. Type: Ichneumon mani- 

 festator Linnaeus; designated by Curtis, 1828. 



Front wing 3.7 to 14 mm. long; body very long and slender; face 

 black; clypeus of male white or whitish, of female ferruginous or 

 brown; clypeus very wide (about 2.5 as wide as long), weakly convex, 

 its apical part somewhat impressed and with a deep median emargina- 

 tion; lower tooth of mandible a little longer and wider than upper 

 tooth (in most other Pimplini the lower tooth of mandible is the same 

 size as upper tooth or a little smaller); occipital carina complete, 

 dipped on the midline; hair on mesoscutum moderately dense, evenly 



