ICHNEUMON-FLIES, PART '_>: ACAENITINAE 577 



lateral carina only at its base; ovipositor sheath about 0.95 as long 

 as front wing. 



Male: Lemon yellow. Top of head and upper part of occipul 

 black; antenna blackish brown, yellow or yellowish brown beneath, 

 palest basally; median part of pronotum, usually irregular stripes on 

 mesopleurum, and usually lower part of metapleurum brown or 

 blackish; median stripes on mesoscutal lobes and large basolateral 

 spot on propodeum centering over the first lateral propodeal area, 

 blackish; front and middle tarsi, tibiae apically, and femora behind, 

 tinged with fulvous; hind coxa fulvous, its lower half yellowish, its 

 base and apex above dark brown; hind femur and tibia fulvous, the 

 extreme base of the femur dark brown: median third of first tergite 

 and basal half of second through seventh tergites black; wings hyaline, 

 the front wing with a large, subcircular fuscous spot in its apex. 



Female: Head yellow, the top of head, occiput, and frons excepl 

 laterally, black; face usually with a broad brown to black circular 

 band that encloses a central yellow area, and often with a brownish 

 area next to lateral (h\<^c of clypeus; mouth parts yellow; antenna 

 blackish, yellow basally beneath, elsewhere brownish beneath except 

 at a broad postmedian yellow band, the apical 14. 5± flagellar segments 

 blackish; thorax black, narrow anteroventral margin and hind corner 

 of pronotum, tegula, subtegular ridge, upper part of mesepimeron, 

 scutellum and postscutellum and areas adjacent to them, and apical 

 0.4 ± of propodeum, yellow; front and middle legs and hind trochanters 

 and tarsus yellow, somewhat tinged with fulvous; hind coxa fulvous, 

 blackish at base and brown at apex above, rarely almost entirely 

 black; hind femur fulvous, brown at extreme base; hind tibia pale 

 fulvous; abdominal tergites black, the first four tergites with a broad, 

 apical, bright yellow band that does not reach the lateral margin; 

 lower part of fifth through seventh tergites, all of following tergites, 

 and under side of abdomen light yellow; subgenital plate pale yellow, 

 with a subventral brown line that is strongest toward its apex; wings 

 colored as in male. 



Specimens (35 d\ 349): From Indiana (Salamonie River in Hunting- 

 ton Co. and State Forest in Clark Co.); Maryland (Bowie, Cabin 

 John, Fort George G. Meade, (den Echo. Loch Raven, "Jackson's 

 Island," Odenton, Plummers Island, Reisterstown, and Takoma Park) ; 

 Massachusetts (Holliston); Michigan (East Lansing and Ionia Co.); 

 New Jersey (Delaware Water Gap and Moorestown) ; New York 

 (Cold Spring Harbor and Ithaca); North Carolina (Elizabethtow n. 

 Rocky Mount, and Wake Co.); Ohio (Puritas Springs in Cuyahoga 

 Co.); Pennsylvania (Carlisle Junction, Laurel, and West Chester); 

 Rhode Island (Kingston and Westerly); South Carolina (Mountain 

 Lake in Greenville Co.); Virginia (Chain Bridge near McLean, Diffi- 



r.ur,.-)27 — 60 — 38 



