80 JOHN SAHLBERG, BIDRAG TILL NORDVESTRA SIBIRIENS INSEKTFAUNA. 
minus dense punctatum, sublaeve, tenuissime pubescens, segmentis dorsalibus basi haud carinatis sed subtilis- 
sime crenulatis. Pedes elongati, obscure rufi, geniculis plus minusve late tarsisqve piceis, his elongatis, arti- 
culo 1:o 5:o longiore, 4:o simpliei, minimo, vix transverso. 
Habitat sub muscis et foliis deciduis in silvis in territoriis silvoso, arctico et frigido satis freqventer; 
prope vicum Spirina ”7/s;!, ad vicum Sortinge 1/s (BERGROTH), prope vicos Alinsk 9/; (TryYBoM), Novo Saljevsk 
H/. (TryBoM) et ?S/9!, Imbatsk ?5/3! et Tolstoinos 7/9 (TRYBOM), prope ostium fluminis Kurejka 8/31 et in vi- 
cinitate oppidi Turuchansk !9/3! specimina haud pauca capta. — Mus. Holm. et Helsingf., Coll. Fauvel, Hag- 
lund, Kraatz, Sahlberg etc. 
519. Stenus gibbicollis n. sp. 
Depressus, mniger, nitidus, glabriusculus, palpis articulo primo testaceo, femoribus nigro-piceis, capite 
elytrorum latitudine, fronte bisulcata, interstitio medio convexo, prothorace convexo, seqvali, basi constricto, 
elytris prothorace longioribus, seqvalibus, fortiter concinne punctatis; abdomine sublevi, segmentis basi im- 
pressis et crenulatis. Long. 1!/3 lin. 
' Mas: segmento 7:o ventrali angulariter exciso, 6:0 obsolete depresso apice leviter emarginato, 5:0o sub- 
integro. 
Femina: segmento 7:o ventrali apice rotundato-producto. 
Precedenti structura abdominis affinis sed elytris zeqvalibus, prothorace gibboso-convexo, ad basin con- 
stricto, pedibus nigris, femoribus vix dilutioribus mox distinguendus. — Caput latum depressum, cum oculis 
coleopterorum latitudine, satis confertim punctatum, subglabrum, fronte lata, satis distincete bisulcata, intervallo 
lateribusqve seqve elevatis, convexis. Palpi nigricantes, articulo primo testaceo. Antenn tenues, nigree, arti- 
culo 3:o0 4:o paullo longiore, 8:o 9:o paullo longiore, 8:o 9:o paullo breviore ovali. Prothorax longitudine 
per parum latior, subceordatus, lateribus ante medium fortiter dilatatus, basi constrictus, supra convexus, seqvalis. 
niger, nitidus satis profunde concinne punctatus, subglabe. Elytra prothoracis basi duplo latiora et hoc 2/, 
longiora, subdepressa, seqvalia, satis profunde et qvam in prothorace fortius minus confertim punctata, nitida 
subglabra. Abdomen lateribus distincete marginatum, subdepressum, obsolete punctatum, nigrum, nitidum, seg- 
mentis singulis basi transversim impressis ibiqve obsolete crenulatis. Pedes mediocres, nigri; femoribus vix 
picescentibus, tarsis elongatis, angustis, posticis articulo primo qvinto paullo et secundo fere duplo longiore, 
qvarto simplici. 
In territorio arctico prope monasterium Troiski ad ostium fluminis Tunguska inferioris ?9/4 tria speci- 
mina inveni. — Coll. Sahlb. 
520. Stenus pusillus Stren. IU. Brit. Ent. V, 301 (1832). — THoms. Sk. Col. II, 229, 39. — 
KRAATZ Ins. Deutschl. II, 761, 24. — Fauvv. Faun. Gall.-Bh. 250, 27. — GeEMmM. et Har. Cat. Col. 640. 
In territorio silvoso prope oppidum Jenisseisk 16/.! et prope ostium fluminis Tunguska medize ?5/g 
(TrRYBOM) captus, — Europae maxima pars, orbis mediterraneus. — Mus. Holm. 
521. Stenus nanus SrterPH. JIU. Brit. Ent. V, 301 (1832). — Favv. Faun. Gall.-Bh. 240, 13. — 
GEMM. et HAR. Cat. Col. 638. — St. declaratus Er. Käf. d. Mark. I, 397, 32. — THowms. Sk. Col. II, 229, 
36. — KRaAATZ Ins. Deutschl. II, 774, 41. 
In territorio silvoso prope vicum Antsiferovo ?7/6 (TRYBOM) et in territorio arctico ad vicum Polovinka 
15/3! captus. — Tota Europa et orbis mediterraneus. — Mus. Holm. 
522. Stenus nigritulus GYLL. Ins. Sv. VI, 502, 10—11 (1827). — TuHoms. Sk. Col. II, 239, 31. — 
Favv. Faun. Gall.-Rh. 264, 48. — GemM. et Har. Cat. Col. 638. — St. campestris Er. Käf. d. Mark. I, 
3939, 39. — KRAATZ Dis. Deutschl. II, 764, 44. 
In territorio silvoso prope vicum Kalimsky ?!/; unicum specimen inveni. — Europs maxima pars, orbis 
mediterraneus. — Coll. Sahlb. 
523. Stenus latifrons Er. Käf. d. Mark. I, 372, 51 (1837). — THoms. Sk. Col. II, 230, 39. — 
Kraarz Ins. Deutschl. II, 797, 71. — Fauv. Fawn. Gall.-Rh. 265, 30. — GEmm. et Har. Cat. Col. 637. 
In territorio silvoso ad oppidum Tobolsk 3/5 (BERGROTH) et ad vicum Lebedevo ?7/a! captus. — Huropae 
magna pars. — Mus. Helsingf. 
524. Stenus similis HBst. — Fauv. Faun. Gall.-Rh. 267, 33. — Staphylinus Hest. Arch. V, 151 
(1785). — St. oculatus Grav. Col. Micr. Brunsv. 153,3 (1802). — THoms. Sk. Col. II, 232,42. — KRAATZ 
Ins. Deutschl. II, 795, 69. — Staphylinus Göze (1777), nec FABR. Syst. ent. (1775). 
In territorio montoso prope oppidum Krasnojarsk !!/; et in territorio silvoso prope oppidum Jenisseisk 
23/, et ad vicum Vorogovo ?/, a TRYBOM captus. — Tota Europa et orbis mediterraneus. — Mus. Holm. 
525. Stenus tarsalis LJungGH. WEB. et MouHr Beitr. II, 157, 11 (1805). — THoms. Sk. Col. II, 232, 
43. — KRrRaAaArz Ins. Deutschl. II, 794, 67. — Fauv. Faun. Gall.-Rh. 267, 32. — Gemmwm. et Har. Cat. 
Col. 641. 
