394 
Indiana University Studies 
Acraspis pezomachoides err. det. Ashmead, 1887, Trans. Amer. Ent. Soc. 
14:187. Dalla Torre, 1898, Cat. Hymen. 5:293. Err. det. Bride- 
well, 1899, Trans. Kans. Acad. Sci. 16: 203. Err. det. Stebbins, 
1910, Springfield Mus. Nat. Hist. Bull. 2: 28. Err. det. Thompson, 
1915 (in part), Amer. Ins. Galls: 15, 36. Err. det. Weld, 1926 (in 
part), Proc. U.S. Nat. Mus. 68 (10) : 58. Weld in Leonard, 1928 
(in part), Ins. N.Y.: 971, 974. 
Cynips quercus erinaceus Dalla Torre, 1889, Cat. Hymen. 5: 329. 
Acraspis erinaceae Gillette, 1889, Psyche 5: 221. Cook, 1903, Proc. Ind. 
Acad. Sci. 1902: 105. 
Cynips q. -pezomachoides err. det. Ashmead in Packard, 1890, 5th Rpt. 
U.S. Ent. Comm.: 113. 
Cynips pisum Cook, 1905 (gall only), Rpt. Dept. Geol. & Nat. Res. Ind. 
29: 832. Cook, 1905 (gall only), Proc. Ind. Acad. Sci. 1904: 225. 
Jarvis, 1907 (gall only), Rpt. Ent. Soc. Ont. 37:72. Jarvis, 1909 
(gall only), Rpt. Ent. Soc. Ont. 39: 86. Baldwin, 1914, Rpt. State 
Ent. Ind. 6: 55. 
Philonix pezomachoides err. det. Beutenmuller, 1909 (in part), Bull. 
Amer. Mus. Nat. Hist. 26:247. Err. det. Felt, 1921, N.Y. Mus. 
Bull. 231-232: 73. Huber, 1927, Proc. U.S. Nat. Mus. 70 (14): 
7, 71. 
Philonix erinacei Beutenmuller, 1909 (not all localities), Bull. Amer. 
Mus. Nat. Hist. 26: 247, pi. 43 figs. 2-4 (first description of insect). 
Smith, 1910, Ins. N.J.: 647. Cosens, 1912, Trans. Canad. Inst. 9: 
341, fig. 64. Viereck, 1916, Hymen. Conn.: 522. Felt, 1918, N.Y. 
Mus. Bull. 200: 94, fig. 89 (2-4). 
Acraspis quercus- erinacei Dalla Torre and Kieffer, 1910, Das Tierreich 
24: 412, 634, 812, 826, fig. 118. 
Dryophanta erinacei Triggerson, 1914 (agamic form only), Ann. Ent. 
Soc. Amer. 7: 1-34, fig. 1-3, 5-9, 11-20, 45-53, 72-74, 88, 89, 93-98. 
Philonyx erinacei Viereck, 1916, Hymen. Conn. 519. Britton, 1920, 
Checklist Ins. Conn.: 319. 
Philonix fulvicollis err. syn. Beutenmuller, 1918, Ent. News 29: 328. 
Andricus fulvicollis erinacei err. syn. Kinsey, 1920 (not all synonomy), 
Bull. Amer. Mus. Nat. Hist. 42: 355, pi. 31 fig. 34. 
Andricus erinacei erinacei Comstock, 1924, Introd. Ent. :924, fig. 1161. 
[no name] Kinsey, 1926, Introd. Biol., fig. 271a. 
Cynips pezomachoides var. A Kinsey, 1927, Field and Lab. Manual in 
Biol.: 108. 
Diplolepis erinacei Weld in Leonard, 1928 (in part), Ins. N.Y.: 969. 
Gahan, Crosby, and Leonard in Leonard, 1928, Ins. N.Y. : 975, 977. 
[NOT Philonyx fulvicollis Fitch, 1859, 5th Rpt. Nox. Ins. N.Y. : 783.] 
FEMALE. — Highly variable insects, a hybrid population grading 
from typical wheeleri to typical derivatus, averaging as follows: The 
head dark rufous with a black area about the ocelli and down the middle 
of the face to the mouth; the antennae rufous only on the first two 
segments; dark rufous on the entire mesonotum, the pronotum laterally 
black with a spot of rufous, the mesopleuron black sometimes with a 
