ICHNEUMON-FLIES, PART 2 \ EPHIALTINAE 233 



pimeron brown; front legs beyond trochanters pale stramineous, the 

 extreme base of tibia, a narrow subbasal band on tibia, and apex of 

 tarsus brownish; middle leg beyond trochanters generally pale stramin- 

 eous, with a faint repetition of color pattern of hind leg; hind femur 

 pale stramineous, its base brown (more extensively brown on front 

 side), its front side with a broad, indefinite brown stripe, and its hind 

 side with a shorter, paler, less definite brown stripe; hind tibia whitish, 

 its extreme base brown, a narrow subbasal band, and its apical 0.3 

 infuscate; hind tarsus fuscous, brownish at base. 



The cocoon is fusiform, pale brown, of papery texture, and with 

 four longitudinal ribs so that its cross section is quadrangular. It 

 has the opening at the hind end, as usual in the Polysphinctini. 



Type: 9, Ithaca, N. Y., June 2, 1936, H. Townes (Washington, 

 USNM 63699). 



Paratypes: d", reared from Linyphia phrygiana, collected Apr. 14, 

 1936, emerged Apr. 27, 1936, Killingworth, Conn., B. J. Kaston 

 (Washington). 9, Baxter State Park, Maine, Sept. 3, 1950, H. 

 Dietrich (Ithaca). 9, Takoma Park, Md., Aug. 7, 1943, H. and M. 

 Townes (Townes). d\ 9, Marquette Co., Mich., Aug. 26, 1952, R. 

 R. Dreisbach (Dreisbach). d\ 9, Pinkham Notch, N. H., Aug. 23, 

 1951, H., M., and D. Townes (Townes). 9, Randolph, N. H., July 

 3, 1946, J. Peck and M. Townes (Townes). cf, 9, same data as type 

 (Townes). <?, Ithaca, N. Y., May 23, 1936, H. Townes (Townes). 

 9, Ithaca, N. Y., June IS, 1936 (Townes); 9, Ithaca, N. Y., July 30, 

 1935 (Townes). d\ Poughkeepsie, N. Y., July 15, 1936, H. Townes 

 (Townes). 9, Poughkeepsie, N. Y., Aug. 2, 1936, H. Townes 

 (Townes). 9, Murfreesboro, N. C, Oct. 13, 1938, G. E. Burdick 

 (Townes). 9, Stoneham, Que., June 21, 1938, H. and M. Townes 

 (Townes). 



This species occurs in eastern North America from the Canadian to 

 the Lower Austral zone. It is adult from late spring to fall. 



3. Acrodactyla degener (Haliday) 



Figure 323,g 



Cryptus (Acrodactyla) degener Haliday, 1838, Ann. Nat. Hist., vol. 2, p. 117; 

 d 1 , ? . Types: cf, ? , Ireland (?Dublin). 



Symphylus hadrodactylus Foerster, 1871, Verh. Naturh. Ver. Rheinlande, vol. 28, 

 p. 106; d\ 9. New synonymy. Types: 1 d\ 2?, near Aachen, Germany 

 (Munich). 



Biology: Morley, 1913, Ichneumonologia britannica, vol. 3, pp. 133-134. — 

 Nielson, 1923, Entomologiske Meddelelser, vol. 14, pp. 163-170 [incorrectly 

 determined as Polysphincta pallipes in this reference, the determination 

 corrected in 1928, Entomologiske Meddelelser, vol. 16, p. 154]. 



Front wing of male 2.7 to 3.5 mm. long, of female 2.9 to 4.0 mm. 

 long; lateral ocellus separated from eye by about 1.4 its long diameter; 



526527—60 16 



