124 
Indiana University Studies 
Neuroterus vesicula Gillette, 1888, 27th Rpt. Agric. Mich., p. 471; 1889, 
Psyche, V, pp. 188, 221 (Michigan; Q. bicolor, Q. macrocarpa) ; 
1892, Proc. Iowa Acad. Sci., I (2), p. 114 (Iowa; Q. macrocarpa). 
Dalla Torre and KiefFer, 1910 (Iowa, Q. bicolor, Q. macrocarpa 
records). Das Tierreich, XXIV, pp. 329, 808, 827, 832. 
Neuroterus vesiculus Cook, 1910, Mich. Geol. and Biol. Surv. Publ., I, 
p. 30. Beutenmuller, 1910, Bull. Amer. Mus. Nat. Hist., XXVIII, 
p. 131 (Q. bicolor; Illinois, Michigan, Iowa records). Felt, 1918, 
N. Y. State Mus. Bull., 200, p. 75 {Q. bicolor, Q. macrocarpa 
records) . 
Neuroterus vesicula variety affinis (Bassett) 
Cynips affinis Bassett, 1881, Can. Ent., XIII, p. 103. Packard, 1881, 
U.S. Ent. Comm. Bull., 7, p. 57. Cresson, 1923, Trans. Amer. Ent. 
Soc., XLVIII, p. 198. 
Neuroterus affinis Ashmead, 1885, Trans. Amer. Ent. Soc., XII, pp. 296, 
304; 1887, Trans. Amer. Ent. Soc., XIV, p. 131, Ashmead in 
Packard, 1890, 5th Rpt. U.S. Ent. Comm., pp. 107, 110. Dalla 
Torre, 1893, Cat. Hymen., II, p. 537. Dalla Torre and KiefFer, 1902, 
Gen. Ins. Hymen. Cynip., p. 50. Beutemuller, 1904, Bull. Amer. 
Mus. Nat. Hist., XX, p. 26. Dalla Torre and KiefFer, 1910, Das 
Tierreich, XXIV, pp. 338, 808. Thompson, 1915, Amer. Ins. Galls, 
pp. 11, 26, 40. Viereck, 1916, Hymen. Conn., p. 393. 
Neuroterus vesiculus Beutenmuller, 1910 (in part). Bull. Amer. Mus. 
Nat. Hist., XXVIII, p. 131, pi. X, figs. 7-9. Felt, 1918 (in part), 
N.Y. State Mus. Bull., 200, p. 75, fig. 81 (7-9). 
FEMALE. — Eyes only moderately large, hardly protruding beyond 
the cheeks; cheeks only moderately narrow; antennse wholly brown, 
hardly lighter basally; thorax slightly narrower than the head, the 
parapsidal grooves only faintly indicated anywhere; furrow at base of 
scutellum rather broad and smooth; legs dull, light yellow, the coxae 
and femora brownish; areolet quite small; length 1. 5-2.0 mm., much 
smaller than vesicida. 
MALE. — As described for the species; areolet ^of moderate size 
or moderately small. 
GALL. — A bud gall, as described for the species. On Quercus 
prinoides. 
RANGE. — Connecticut: Waterbury (Bassett). Probably confined 
to a northeastern area of the United States. 
TYPES. — Females and galls. Holotype female at the Philadelphia 
Academy; paratype females and galls at the Philadelphia Academy, 
The American Museum of Natural History, the Museum of Comparative 
Zoology, and Stanford University, and in the Beutenmuller (?) and 
Kinsey collections. From Waterbury, Connecticut; Q. prinoides; Bassett 
collector. 
Bassett stated that these galls start growth in the autumn 
and mature early in the spring, the insects emerging by the 
