ICHNEUMON-FLIES, PART 2\ EPHIALTINAE 



305 



spring and early fall. The seasonal range is longer in California than 

 elsewhere. Unusually early and late dates of capture are: March 13, 

 28, and 30, and April 2, 12, 21, 22, 24, and 30 at Berkeley, Calif.; 

 April 10, 11, 18, and 23 at Oakland, Calif.; May 17 and 22 at Ithaca, 

 N. Y.; September 3 at Troy, N. Y.; September 19 at Niles, Calif.; 

 September 24 at Campbellton, N. B.; October 4 at Robson, B. C; 

 October 6 at Inverness, Calif.; and November 5 and 6 at Oakland, 

 Calif. According to our collecting, the usual habitat is deciduous 

 woods with undergrowth. 



Rearing records are: 1 rearing from Choristoneura conflictana, 3 

 from C. rosaceana, 1 from C. rosaceana? , 1 from Sciaphila sp., 1 from 

 Geometridae, 2 from Noctuidae, 1 from Tortricidae, and 1 from 

 "Cacoecia" on Quercus. 



This species is transcontinental in the Canadian and Transition 

 zones. Adults occur in the undergrowth of woods, mostly in summer. 

 It has been reared from several Lepidoptera, mostly Tortricidae. 



:^^e> 







Figures 135, 136. 



-Localities: 135 (left), Ephialtes picticornis; 136 (right), 

 E. annulicornis. 



2. Ephialtes annulicornis (Cresson) 



Figure 326,f 



Pimpla annulicornis Cresson, 1870, Trans. Amer. Ent. Soc, vol. 3, p. 147; d\ 9 • 

 Lectotype: cT, Illinois (Philadelphia). 



Front wing 8 to 12 mm. long; all tarsal claws of female with a 

 prominent basal tooth; first tergite subpyramidally elevated just be- 

 hind the middle. The abdomen is very slightly more coarsely and 

 distinctly punctate than in E. picticornis. 



Male: Similar to female coloration except as follows : Face, clypeus, 

 palpi, subtegular ridge, and most of front coxa, white; white markings 

 on front and middle legs somewhat more extensive than in female; 



