102 



Hydro porus. 



Pars 71 



p. 204. — Gntfl.-Bose, Käf. Deutschi. 1859, 

 p. 58. — C. G. Thoms. Vet. Ak. Handl. 1854, 

 p. 218; Skand. Col. II, 1860, p. 31; IX, 1867, 

 p. 82. — Kiesw. Nat. Ins. Deutschi. 1, 2, 

 1868, p. 74. - Seidl. Fn. Balt. 1872, p. .50. 

 (jracilis Wehncke, Berl. Ent. Zeitschr. XVI, 

 1872, p. 136. — Sharp, 1. c. p. 796. — Mars. 

 L'Abeille XX, 1882, p. 97. 



Semenovi JakovI. L'Abeille XXIX, 1897, p. 41. - 

 Zaitzev, Ann. Mus. Zool. P^tersb. XI, 1907, 

 p. 91. - J. Sahlb. Medd. Soc. Fn. Fl. Fenn. 

 XXXVI, 1910, p. 174. 



eibiricus J. Sahlb. Svenska Vet. Ak. Handl. XVII, 

 4880, p. 49. — Sharp, On Aquat. Garn. Col. 

 1880-82, p. 466. - Mars. L'Abeille XX, 

 1882, p. 87. — Popp. Col. arkt. Geb. 1900, 

 p. 343. 



Sieversi J. Sahlb. Medd. Soc. Fn. Fl. Fenn. XXXVI, 

 1910, p. 173. 



signatns Mannh. Bull. Moscou XXVI, 1853, III, p. 161. 



- Crotch, Trans. Amer. Ent. Soc. IV, 1873, 

 p. 394.- Sharp, OnAquat. Carn. Col. 1880 — 82, 

 p. 469. — Wickham, Canad. Ent. XXVII, 

 1895, p. 76. 



Btriola Gyll. Ins. Suec. IV, 1827, p. 393. - C. R. Sahlb. 

 Ins. Fenn. I, 1834, p. 180. — Aube, Icon. 

 Col. V, 1836, p. 318, t. 37, f. 3; Spec. Col. VI, 

 1838, p. 622. — Fairm. et Laboulb. Fn. Ent. 

 Fran9. I, 1854, p. 206. - C. G. Thoms. Vet. 

 Ak. Handl. 1854, p. 208; Skand. Col. II, 1860, 

 p. 32. - Seidl. Fn. Balt. 1872, p. 50; ed. 2, 

 1887, p. 85; Verh. Nat. Ver. Brunn XXV, 

 1887, p. 70; Fn. Transsylv. 1888, p. 95 (ex 

 parte). — Sharp, On Aquat. Carn. Col. 1880 — 82, 

 p. 473. — Csiki, Mag. Bogarfn. I, 5, 1908, 

 p. 482. - Popp. Col. arkt. Geb. 1910, p. 343. 



- Scholz, Ent. Blätter XI, 1915, p. 234 nota. 

 vittula Er. Käf. Mark Brandbg. I, 1837, 



p. 178^. — Schiödte, Danni. Eleuth. I, 1841, 

 p. 44^. — Bach, Käferfn. ISTorddeutschl. I, 

 1851, p. 113. - Fairm. et Laboulb. 1. c. p. 208. 



- Clark, Zoologist XIII, 1855, p. 4864. - 

 Redt. Fn. Austr. ed. 2, 1857, p. 90; ed. 3, 1874, 

 I, p. 98. — Gutfl.-Bose, Käf. Deutschi. 1859, 

 p. 57. — Kiesw. Xat. Ins. Deutschi. I, 2, 

 1868, p. 72. - Seidl. Fn. Balt. 1872, p. 50. - 

 Sharp, 1. c. p. 474. — Bedel, Fn. Col. Bassin 

 Seine I, 1881, p. 239. — Fowler, Col. Brit. 

 Isl. I, 1887, p. 181. — Gangib. Käf. Mitteleur. 

 I, 1892, p. 471. - Everts, Col. Xeerl. I, 1898, 

 p. 125. — Gerhardt, Zeitschr. Ent. Breslau (n. 

 F.) XXIV, 1899, p. 4. - Reitt. Fn. Germ. I, 

 1908, p. 214, t. 35, f. 8; Süßwasserfn. Deutsch!. 

 III -IV, 1909, p. 25. 



ambigtius Aub6, Icon. Col. V; 1836, p. 287, 

 t. 33, f. 6; Spec. Col. VI, 1838, p. 586. - 

 Schaum, Stett. Ent. Zeit. V, 1845, p. 404. — 

 Popp. Col. arkt. Geb. 1910, p. 343. 



Spanien 

 Rußland 



Sibirien 



Finnland 

 Nordamerika 



Nord- und 

 Mittel- 

 europa, 

 Sibirien 



