18 
Ptilium. 
Pars 32 
? f nivescens Motscli. Bull. Soc. Nat. Moscou 
XLI, 1868, II, p. 187. — Matth. Trichopt. 
illustr. 1872, p. 31. 
myrmecophilum Allib. Rev. Zool. VII, 1844, p. 53. — 
Matth. Trichopt. illustr. 1872, p. 21, 96, 98, 
t. 22, f. 3; Abeille XVIII, 1878 (1881), Synops. 
Trichopt. p. 19. — J. Sahlbg. Acta Soc. Fauna 
et Flora Fennica VI, 1889—90, nr. 1 (1889), p. 74. 
— Flach in Seidl. Fauna Balt. ed. II, 1887— 
1891 (1888), Arten p. 292; in Seidl. Fauna 
Transsylv. 1888—91 (1889), Arten p. 308; 
Verh. zool.-bot. Ges. Wien XXXIX, 1889, 
p. 504; Best.-Tab. europ. Coleopt. XVIII, 1889, 
p. 26. — Everts, Coleopt. Neerl. I, 1898, p. 439. 
— Ganglb. Käf. v. Mitteleuropa III, 1899, 
p. 307, 308. — Reitt. Fauna Germ. II, 1909, 
p. 269, t. 64, f. 13. 
? angustatum Mötsch. Bull. Soc. Nat. Moscou 
XVIII, 1845, II, p. 509, t. 9, f. 6. 
haemorrhoidale Boh. Öfv. Vet. Akad. Förh. 
1844, p. 156. — Mötsch. Bull. Soc. Nat. Moscou 
XVIII, 1845, II, p. 508, t. 9, f. 4 (Ptinella). 
— Matth. Trichopt. illustr. 1872, p. 24 (Ptinella). 
inquilinum Er. Naturg. Ins. Deutsch! III, 
1845—48 (1845), p. 26. — Gillm. in Sturm, 
Deutsch! Ins. XVII, 1845, p. 91, t. 328, f. 1 
(Trichopteryx). — C. G. Thoms. Skand. Coleopt. 
IV, 1862, p. 106. — Matth. Trichopt. illustr. 
1872, p. 5. — Redt. Fauna Austr. ed. III, I, 
1874, p. 331. 
var. discoideum Gillm. in Sturm, Deutsch! Ins. 
XVII, 1845, p. 73, t. 325, f. 4 (Trichopteryx). 
— Redt. Fauna Austr. ed. III, I, 1874, p. 331. 
obscurum Matth. Cist. Ent. II, 1877, p. 171; Trans. Am. 
Ent. Soc. XI, 1884, p. 143, 144; Trichopt. Supp! 
1900, p. 79, 81. 
planum Matth. Trans. Am. Ent. Soc. XI, 1884. p. 143, 
144; Bio! Centr.-Amer. Coleopt. II, 1. 1887— 
1905 (1888), p. 146; Trichopt. Supp! 1900, 
p. 79, 85. 
rufotestaceum Matth. Ann. Mag. Nat. Hist. (6) XIII, 
1894, p. 341; Trichopt. Supp! 1900, p. 79, 88. 
Schuleri Ganglb. Käf. v. Mitteleuropa III, 1899, p. 307, 
309. — Reitt. Fauna Germ. II, 1909, p. 269. 
Sharpi Matth. Trichopt. illustr. 1872, p. 96, 101, t. 22, 
f. 9; Trans. Am. Ent. Soc. XI, 1884, p. 143, 145. 
Simsoni Matth. Cist. Ent. II, 1878, p. 327; Trichopt. 
Supp! 1900, p. 79, 86. 
Smithsi Matth. Ann. Mag. Nat. Hist. (6) XIII, 1894, 
p. 341; Trichopt. Supp! 1900, p. 79. 
solidum Mötsch. Bull. Soc. Nat. Moscou XLI, 1868, II, 
p. 183, t. 8, f. 2 (Micrus). — Matth. Trichopt. 
illustr. 1872, p. 30. 
sulcatum Casey, Bull. Calif. Acad. Sc. II, 1886, p. 248. 
tropicum Matth. Trans. Am. Ent. Soc. XI, 1884, p. 143, 
144; Bio! Centr.-Amer. Coleopt. II, 1, 1887— 
1905 (1888), p. 146, 147, t. 3, f. 23. 
truncatum Casey, Coleopt. N. Amer. 1884, p. 163. 
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