300 PROCEEDINGS OF THE NATIONAL MUSEUM vol. loe 



by Mr. Worth. Also, Bischoff (1909) reports a rearing from Eni- 

 cospilus americanus parasitizing Telea polyphemus. Cooper (1954) 

 describes in detail a case of parasitism of Rygchium rugosum (Vespidae). 

 J. C. Bridwell has informed me in conversation that he has seen the 

 species ovipositing on oak sprouts in the vicinity of Washington, 

 D. C. 



(h) Lycogaster pullata nevaflensis (Cresson), new status 



Trigonalys nevadensis Cresson, Proc. Ent. Sec. Acad. Nat. Sci. Philadelphia, p. vii, 

 in Trans. Amer. Ent. Soc, vol. 7, 1879. Male and female. Type: Female, 

 Nevada (Philadelphia). 

 Lycogaster nevadensis Schulz, in Wytsman, Genera insectorum, fasc. 61, pi. 2, figs. 

 32-37 (colored), 1907. 

 Male : Black. Hind corner of pronotum, much of tegula, a bilobed 

 spot on scutellum, apices of femora, tibiae, broad apical margins of ter- 

 gites 1 to 4, broad apical margin or lateroapical triangle on sternite 1 , and 

 lateroapical corners of sternitcs 2 to 4 pale yellow; tarsi pale 3^ellow, 

 brownish apically; wings yellowish hyaline, their apical 0.4 faintly 

 brownish; hind tibia sometimes with a brown apical mark on the 

 posterior side. 



Female : Colored like the male except that the yellow marks on the 

 abdominal terga average a little broader, the hind tibia more fre- 

 quently has the brown apical mark, and the lower front corner of the 

 pronotum is narrowly marked with yellowish. 



Specimens: Male, bred from Hyphanfria cunea (probably as a sec- 

 ondary parasite), Boulder, Colo., Sept. 29, 1937, R. B. Swain (USNM) ; 

 3 c?cf , 6 99, bred from Hyphantria cunea (probably as a secondary 

 parasite), Boulder, Colo., Oct. 17, 1937, R. B. Swain (USNM); 9, 

 Colorado, C. F. Baker collection (USNM); cT, Jemez Springs at 

 6,400 ft., N. Mex., June 24, 1916, John Woodgate (Ithaca); 9, 

 Corvallis, Oreg., Apr. 28, 1941, H. A. Scullcn (Corvalhs); cf, Martin, 

 S. Dak., June 16, 1925, H. C. Severin (Cambridge). 



Genus Poecilogonalos Schulz 



Poecilogonalos Schulz, in Wytsman, Genera insectorum, fasc. 61, p. 9, 1907. 

 Type: (Trigonalys pulchella Westwood) =thwaitesii Westwood. Monobasic, 



This is a rather large and widely distributed genus, but with only 

 a single representative in the United States. 



Poecilogonalos costalis (Cresson) 



Figure 1 

 Trigonalys {Lycogaster) costalis Cresson, Proc. Ent. Soc. Philadelphia, vol. 6, p. 



352, 1867. Type: Male, Massachusetts (Philadelphia). 

 Trigonalys sulcattts Davis, 1898. Trans. Amer. Ent. Soc, vol. 24, p. 349, 1898. 



Type: Male, Angelsea, N. J. (Philadelphia). 



