64 JOHN SAHLBERG, BIDRAG TILL NORDVESTRA SIBIRTIENS INSEKTFAUNA. 
Trib. Hydrophilina. 
380. Berosus aericeps Curt. Ent. Brit. III, 240 (1825). — Muus. Col. Fr. Palpic. 99. — Sw. 
Paun. Balt. 68. — Gemm. et Har. Cat. Col. 483. — B. signaticollis (CHARrP) THoms. Sk. Col. II, 86, 2. 
In aqvis argillosis in territorio silvoso prope vicum Selenkina ad flumen Irtisch ?5/; (TRYBOM), ad mona- 
sterium Ivanovski !!/; (BERGROTH) et prope oppidum Jenisseisk 16/4, 20/4, ”I/;! captus. — Europa magna pars, 
Asia occidentalis. — Mus. Holm. et Helsingf. 
381. Berosus luridus L. — Murs. Col. Fr. Palp. 100. — THoms. Sk. Col. II, S6, 1. — SmL. 
Paun. Balt. 68, — GEMM. et Har. Cat. Col. 454. — Dytiscus Linn. Faun. Sv. 214, 767 (1761). 
In territorio silvoso prope flumen Obi ad Surgut 39/5 et Narym ”/g a TRYBOM captus. — Europae 
maxima pars. — Mus. Holm. ; 
382. Hydrophilus aterrimus EscuHscH. Entom. I, 128 (1822). — Er. Käf. d. Mark. I, 206, 2. — 
THoms. Sk. Col. II, I0, 2. — SmpL. Faun. Balt. 65. — GEMM. et Har. Cat. Col. 475. — H. morio STURM 
Deutschl. Ins. IX, 109, t. 215. 
In territorio silvoso prope oppidum Tobolsk 15/5 unicum specimen invenit BERGROTH. — Europae magna 
pars, Sibiria meridionalis. — Mus. Helsingf. 
Obs. Differt ab individuis Europeis, qvac vidi, carina mesosterni angustiore, obsolete tantum canaliculato. 
383. Hydrous ecaraboides L. — Tuoms. Sk. Col. II, 91, I. -— Murs. Col. Fr. Palpic. 112, 1. — 
SEIDL. Faun. Balt. 69. — Hydrophilus L. Faun. Svec. 214, 7693 (1761). — STURM Deutschl. Ins. IX, t. 216. 
— Hydrochares GEmm. et Har. 478. 
In territorio silvoso prope monasterium Ivanovski 17/; (BERGROTH) et ad oppidum Jenisseisk 18/;! captus. 
— FEuropae maxima pars, Sibiria meridionalis. — Mus. Helsingf. 4 
384. Hydrobius fuscipes L. — Muzs. Col. Fr. Palpic. 122, 3. — THoms. Sk. Col. II, 92, 1. — 
SEIDL. Faun. Balt. 65. — Gemm. et Har. Cat. Col. 479. — Hydrophilus L. Faun. Sv. 214, 766. 
In territorio montoso et silvoso freqventer occurrit, in territorio arctico prope oppidum Beresov ??/& etiam 
a BERGROTH captus. — Europa tota et Asia occidentalis. — Mus. Holm. et Helsingf. 
Var. b: paullo minor, convexior, antice magis angustatus, carina mesosterni ante coxas minus clevata, 
postice longitudinaliter convexa nec in angulo dentiformi prominulo producto. 
In territorio montoso prope oppidum Krasnojarsk !!/, et in territorio silvoso prope insulam Tschornaja 
ostrov ?/, captus. — Coll. Sahlb. 
385. Laceobius bipunctatus FaBr. — THomMs. Sk. Col. X, 312, I a. — Ser. Faun. Balt. 67. — 
RorttENB. Berl. ent. Zeit. 1874, 315, 4. — Hydrophilus FABR. Ent. syst. I, 186, 22 (1792). 
Habitat in aqvis argillosis in territorio montoso et silvoso freqventer. — Europa borealis et media. — 
Mus. Holm. et Helsingf. 
386. Laccobius minutus L. — THoms. Sk. Col. II, 93, I et X, 312, 16. — Smvi. Faun. Balt. 67. 
— Rorr. Berl. ent. Zeit. 1874, 316, 3. — Chrysomela L. Faun. Sv. 166, 533 (1761). 
In territoriis montoso, silvoso et arctico satis freqventer occurrit. — Tota Europa, Asia occidentalis. — 
Mus. Holm. et Helsingf. 
Var. b: obscurior, supra nigro-picea, marginibus dilutioribus. 
In territorio arctico prope ostium fluminis Kurejka 18/3 unicum specimen inveni. — Coll. Sahlb. 
387. Philhydrus testaceus FaBrR. — THoms. Sk. Col. II, 95, 1. — Smor. Faun. Bali. 69. — Hy- 
drophilus FABR. Syst. Eleut. I, 252, 15 (1792). 
In territorio silvoso prope vicum Artomonovoi ad flumen Tobol ?3/; et ad oppidum Jenisseisk 9/5 nonnulla 
specimina legi. — Europa borealis et media. — Mus. Holm. 
388. Philhydrus 4-punctatus Hest Col. VIT, 305, t. 114, f. 4 c (1797) sec. BEDErL Ann. ent. Fr. 
1877, Bull. CLXXVII. — Ph. melanocephalus THoms. Sk. Col. II, 96, 3 et IX, 122, 3 obs. — SevL. Faun. 
Balt. 66. 
In territorio silvoso praesertim parte ejus occidentali freqventer occurrit; in territorio arctico prope oppi- 
dum Beresov ?9/; etiam a BErGrRorH captus. — Tota Europa et Asia occidentalis. — Mus. Holm. et Helsingf. 
389, Philhydrus frontalis Er. — Smpr. Faun. Balt. 66. — Hydrobius Er. Käf. d. Mark. I, 200, 
6 (1837). — Hydrophilus nigricans Zert. Ins. Lapp. 123, 7 (1838). — Philhydrus Troms. Sk. Col. IT, 97, 
4. — GeEmMM. et Har. Cat. Col. 482. 
Habitat in paludibus in territorio silvoso rarius; prope vicum Artamonovoi ad flumen Tobol ?2/5 et ad 
oppidum Jenisseisk !$/, captus. — Europa borealis et media. — Mus. Holm. 
”"'. 
