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Indiana University Studies 
1 fig. 6, pi. 16 fig. 2 ( 2, ®). Dalla Torre, 1893, Cat. Hymen. 2:50. 
Schenkling, 1896, 111. Wochenschr. Ent. 1:141. Riedel, 1896, Gallen 
und Gallwespen: 21, 41. Bignell, 1897, Ent. Month. Mag. 33:55. 
Appel, 1898, Schriften Physikal.-okon. Ges. 39:96. Dalla Torre, 1898, 
Cat. Hymen. 5:100, 294, 302, 305, 333, 334. Kieffer, 1898, Wiener 
Ent. Zeit. 17:265. Kieffer, 1899, Bull. Soc. Rouen 34:98. Kieffer, 
1899, 111. Zeit. Ent. 4: exc. 3-8. Oudemans, 1900, Nederland. Ins.: 
749, fig. 502 (Ha). Kiister 1900, Flora 87: 155. Cameron, 1901, The 
Ent. 34:272. Kieffer, 1901, Andre Hymen. Europe 7 (1) : 15, 28, 29, 
32, 123, 159, 174-177, 184, 193, 195, 225, 630, pi. 4 fig. 1, 2, 9, 10, pi. 18 
fig. 6, 6a (2, ®). Kieffer, 1901, Ann. Soc. Ent. France 1901: 444. 
Darboux and Houard, 1901, Zoocecid. Europe: 340, fig. 605, 606. 
Darboux and Houard, 1902, Zoocecid. Hilfsbuch: 41. Kieffer, 1902, 
Bull. Soc. Metz 22:9. Dalla Torre and Kieffer, 1902, Gen. Ins. 
Hymen. Cynip.: 52. Kieffer, 1903, Andre Hymen. Europe 7 (2): 
678. Blosch, 1903, Mitt. Schweiz. Ent. Ges. 11:48, 51. Ross, 1904, 
Gallenbild. der Pflanzen: 14, 26, fig. 2a, 5 (9, ®). Rossig, 1904, 
Von welchen Organen . . . :9, 11, 12, 37, 48, 49, fig. 20, 21. Mayr, 
1904, Verh. zoo.-bot. Ges. Wien 54: 574, 579. Graffe, 1905, Boll. 
Soc. nat. Triest 23:29, pi. 1 fig. 9. Mayr, 1905, Verh. zoo.-bot. Ges. 
Wien 55:546. Cobelli, 1905, Verh. zoo.-bot. Ges. Wien 55:599. 
Houard, 1906, Marcellia 4: 143. Vogler, 1906, St. Gallen Jahrb. 
natw. Ges. 1905:335. Brehm, 1906, Marcellia 4: 182. Reijnvaan 
and Doctors, 1907, Marcellia 5: 142. Darboux and Houard, 1907, 
Galles de Cynipides: 236, pi. 21 fig. 3, 4 (®). Schmidt, 1907, Zeit. 
Insektenbiol. 3:345, 347. Sajo, 1907, Prometheus 18: 436, 438. Fort- 
waengler, 1907, Zeit. Insektenbiol. 3: 128. Schmiedeknecht, 1907, 
Hymen. Mitteleuropas : 397, 398. Connold, 1908, Brit. Oak Galls: 
18, 157. Houard, 1908, Zoocecid. Europe 1:253, fig. 403, 409. Ditt- 
rich and Schmidt, 1909, Jahresber. Schlesisch. Ges. 1909: 102, 104. 
Trotter, 1909; Marcellia 7: 167-174 (histol.). Houard, 1909, Mar- 
cellia 8:69. Noury, 1909, Bull. Ecole Normale Rouen 1909:1. Cotte, 
1910, Marcellia 8:154. Riedel, 1910, Gallen und Gallwespen: 9, 14, 
24, 43, 81, 90, 94, pi. 6 fig. 31. Schulz, 1911, Festschr. Ver. Cassel 
1911: 159. Weidel, 1911, Flora (2) 2:316-317, fig. 27. Kiister, 1911, 
Die Gallen der Pflanzen: 42, 82, 161, 212, 214, 236, 298, 353, 382, 
398, 399, fig. 75, 122b, 122c. Dieroff, 1911, Bericht ent. Vereins 
Lepid. 30:37. Swan ton, 1912, Brit. Plant. Galls: 32, 38, 39, pi. 22 
fig. 6-8 (®). Ruschka, 1920, Verh. zoo.-bot. Ges. Wien 70:239, 289, 
304. Trotter, 1923, Marcellia 19: 127. Larue, 1928, Bull. Soc. Linn. 
Lyon 1928:125. 
Dryophanta scutellarius Bignell, 1879, The Ent. 12:62. 
Cynips (Dryophanta) scutellaris Karsch, 1883, Die Insektenwelt : 214. 
Dryophanta pubescentis err. det. Beyerinck, 1883, Ver. Konig. Akad. 
Amsterdam 22:94. 
Cynips Q. folii Packard, 1890, 5th Rpt. U.S. Ent. Comm. : pi. 15 ( 2 ) . 
Folii-ivespe Eckstein, 1891, Pflanzengallen und Gallentiere: 34, 54, fig. 
52 ($). 
Dryophanta foli Cameron, 1893, Brit. Phytoph. Hymen. 4: 6, 27. 
