130 



Deronectes. 



Pars 71 



9 hidenfatus Gyll. Ins. Suec. I, 1808, 

 p. 525. - C. R. Sahlb. Ins. Fenn. I, 1834, 

 p. 174. - Zett. Fn. Läpp. 1828, p. 224; Ins. 

 Läpp. 1840, p. 136. - Aub6, Icon. Col. V, 

 1836, p. 241, t. 28, f. 2; Spec. Col. VI, 1838, 

 p. 523. 

 borealls Gyll. Ins. Suec. IV, 1827, p. 386. - C. R. Sahlb. Europa 

 Ins. Fenn. I, 1834, p. 174. — Aube, Icon. 

 Col. V, 1836, p. 242, t. 28, f. 3; Spec. Col. VI, 

 1838, p. 524. — Schaum, Stett. Ent. Zeit. VI, 

 1845, p. 358. — Redt. Fn. Austr. 1849, p, 122. 



- Seidl. Verh. Nat. Ver. Brunn XXV, 1887, 

 p. 58; Fn. Balt. ed. 2, 1887, p. 81; Fn. Trans- 

 sylv. 1888, p. 91. — Gangib. Käf. Mitteleu r. I, 

 1892, p. 464. - Stierl. Col. Helv. I, 1900, 

 p. 188. — Zaitzev, Rev. Russe d'Ent. VI. 

 1906, p. 173. - Reitt. Fn. Germ. I, 1908. 

 p. 210, t. 33, f. 20; Süßwasserfn. Deutschi. 

 III-IV, 1909, p. 19. - Csiki, Mag. Bogarfn. 

 I, 5, 1908, p. 478. — Zimmerm. Arch. f. Na- 

 turgesch. 83, 1917 (1919), A. 12, p. 190. 



Davisi Curtis, Brit. Ent. VIII, 1831, p. 343. 



- Steph. 111. Brit. Ent. Mandib. V, 1835, 

 p. 391. - Aub6, Icon. Col. V, 1836, p. 243, 

 t. 28, f. 4; Spec. Col. VI, 1838, p. 526. - 

 Fairm. et Laboulb. Fn. Ent. FranQ. I, 1854, 

 p. 201. - Redt. Fn. Austr. ed. 2, 1857, p. 87; 

 ed. 3, 1874, I, p. 95. - Gutfl.-Bose, Käf. 

 Deutschi. 1859, p. 55. — Kiesvv. Nat. Ins. 

 Deutschi. I, 2, 1868, p. 48. - J. Sahlb. Not. 

 Scällsk. Fn. Fl. Fenn. Förh. XIV, 1873, p. 142. 



- Sharp, On Aquat. Carn. Col. 1880-82, 

 p. 448. - Fowler, Col. Brit. Isl. I, 1887, 

 p. 178. 



alpinus Duft. Fn. Austr. I, 1805, p. 273 

 (Dytiscus). 



septenirionalis Heer, Fn. Helv. 1839, 

 p. 153. 



var. tnontanus Zimmerm. Ent. Blätter XI, 

 1915, p. 218; Arch. f. Naturgesh. 83, 1917 

 (1919), A 12. p. 190. 



Biologie: Reg. Ann. Soc. Ent. France 

 LXXVI, 1907, p. 4. 



Morphologie: Netolitzky, Deutsche Ent. 

 Zeitschr. 1911, t. 3, f. 20. 

 dauricus Motsch. Hydroc. Russ. 1853, p. 6; in Schrenck, Sibirien 

 Reisen Amurlande II, 2, 1860, p. 100, t. 7. 

 f. 3. - Sharp, On Aquat. Carn. Col. 1880-82, 

 p. 785 (Hydrocopius). — Zaitzev, Rev. Russe 

 d'Ent. VI, 1906, p. 173. - Zimmerm. Arch. 

 f. Naturgesch. 83, 1917 (1919), A. 12, p. 190. 

 halensis F. Mant. Ins. I, 1787, p. 192; Ent. Syst. I, Europa 

 1792, p. 198; Syst. Eleuth. I, 1801, p. 270. - 

 Gmel. Syst. Nat. I, 4, 1790, p. 1950. - Panz. 

 Ent. Germ. I, 1794, p. 79 (Dytiscus). — 

 Kunze, Neue Schrift. Nat. Ges. Halle II, 4 

 1818, p. 65. - Germ. Fn. Ins. Eur. IX, 1825, 

 nr. 5. — Sturm, Deutschi. Ins. IX, 1835, 

 p. 15, t. 204, f. b, B. - Aub6, Icon. Gol. V, 



