REVISION OF THE GENUS EXETASTES — CUSHMAN 301 



at base; eyes rather shallowly convex, barely as long as width of face, 

 parallel; postocellar and ocellocular lines equal and hardly twice as 

 long as diameter of an ocellus; antenna very long, slender, attentuate 

 at apex, with about 80 joints, basal joint of flagellum fully twice as 

 long as second. 



Th' rax coarsely, densely, partly confluently punctate, shining 

 laterally, mesoscutum more finely and less densely punctate but 

 duller; notauli lacking; scutellum moderately convex, elongate sub- 

 triangular, more sparsely and coarsely punctate than scutum; pro- 

 podeum moderately convex, coarsely reticulate rugose, without apical 

 carina, spiracles elongate, nearly their length above the distinct 

 pleural carinae. 



Legs slender; hind femur fully three-fourths as long as tibia; inner 

 hind calcarium more than half as long as basitarsus; apical joint of 

 hind tarsus shorter than third joint. 



Wings: Apical abscissa of radius strongly curved at base, hardly a 

 half longer than basal abscissa; second discoidal cell broad, second 

 recurrent fully two-thirds as long as basal abscissa of subdiscoideus, 

 strongly curved above; nervulus interstitial or slightly postfurcal; 

 abscissula not or barely twice as long as intercubitella. 



Abdomen unusually long and very shallow, especially at apex, very 

 minutely sculptured, petiole coarsely punctate laterally; first tergite 

 two and a half times as long as broad at apex, second longer than 

 broad at base; ovipositor unusually sleader, straight, sheath fully 

 three-fourths as long as first tergite. 



Black; usually with whitish annuli on antenna and joints 2-4 of 

 hind tarsus (one female from Illinois lacks both); hind femur except 

 apex pale ferruginous; front legs usually more or less reddish in front; 

 wings infumate, venation black. 



Alale. — Differs from female principally in having the temples more 

 strongly convex; antenna even more slender and with far fewer joints 

 (65-70), entirely black; front and middle femora pale ferruginous, 

 their tibiae and tarsi largely white; apical joint of hind tarsus also 

 white; wings nearly h^^aline. 



Host. — Agrotis alternata Grote. 



Type locality. — Vienna, Va. 



IVpe.— U.S.N.M. no. 51825. 



Paraf?/2)es.— Canadian National Collection; Cornell University; 

 Kansas University; collections of A. R. Park, Jr., and F. D. DeGant. 



Remarks.- — Eighteen females and 16 males, the holotype female and 

 four other females collected by myself at Vienna, Va., October 29 

 and November 2, 1913; one female, Virginia near Washington, D. C, 

 J. C. Bridwell; one female, Gimston Cove, Fairfax County, Va., No- 

 vember 20, 1932, R, A. Cushman; three males (the allotype), Falls 

 Church, Va., October 15, 1913, Wm. Middleton, October 22, 1913, 



