Taxonomic revision of North American Eusphalerum Kraatz, 1857 (Coleoptera, Staphylinidae, Omaliinae)
Zanetti, Adriano
Insecta Mundi
2014
2014-10-03
2014
379
1
80
6HGW7
Zanetti
Zanetti
2014
[192,692,611,635]
Insecta
Staphylinidae
Eusphalerum
Animalia
Coleoptera
11
10
Arthropoda
species
klimaszewskii
sp. nov.
Material examined.( 21 specimens) Holotypem 1 paratypem 1 f 1 spec.incomplete, British Columbia Mt. Cain 50 o13’N 126 o22’W23.06/ 7.07.1997leg. N. Winchester(MCSNV). Other paratypes: CANADA. British Columbia 2 mm1 f Mt. Cain 50 o13’N 126 o21’W23.05/ 9.06.1997leg. N. Winchester(cZan); 3 ff Mt. Cain 50 o13’N 126 o22’W23.05/ 9.06.1997leg. N. Winchester(cZan); 3 spec.incomplete Mt. Cain 50 o13’N 126 o22’W9.06/ 23.06.1997leg. N. Winchester(cZan); 1 spec.incomplete Mt. Cain 50 o13’N 126 o22’W23.05/ 9.06.1997leg. N. Winchester(cZan); 1 m1 f Mt. Cain 50 o15’N 126 o25’W23.05/ 9.06.1997leg. N. Winchester(cZan); 1 f Mt. Cain 50 o15’N 126 o25’W9.06/ 23.06.1997leg. N. Winchester(cZan); 1 f Mt. Cain 50 o15’N 126 o25’W23.06/ 7.07.1997leg. N. Winchester(cZan); 1 f Aberni( 38 mi.W) 24/ 25.05.1968leg. Campbell& Smetana(CNC); 2 ff Carmanah Valley(upper) UTM 10UCJ 802998 21.06/ 3.07.1991leg. N. Winchester(FMNH). Measurements.head length: 0.33-0.35; head width: 0.64-0.66; pronotal length: 0.64-0.65; pronotal width: 0.75-0.81; elytral length: 1.44-1.48; elytral width: 1.29-1.33; length (clypeus to apex of elytra): 2.36-2.70; total length: 2.7-2.9. Etymology. The species is dedicated to Jan Klimaszewski, specialist of Staphylinidae, who provided me most specimens of the typeseries. Description. Habitus as in Fig. 14. Head, pronotum, abdomen, and ventral surface blackish, sometimes brown; elytra yellowish to brown, always lighter than rest of body; legs, antennae, and mouthparts yellowish, antennae sometimes very feebly darkened at apex. Headwith strongly prominent eyes, postocular carina extremely reduced, almost absent, temples very short, strongly convergent caudad, medial margin of eyes without longitudinal wrinkles, microsculpture formed by elongate meshes. Clypeus prolonged anterad. Postantennal depressions not much impressed, slightly confluent with the small tentorial pits. Neck separeatd from head. Punctation very dense and rather strong, somewhat confluent, ground with superficial microsculpture. Antennae elongate, all antennomeres longer than wide, 4 clearly narrower than 5, 11 almost ovoid, more than twice as long as wide. Pronotumscarcely transverse (ratio width/length = 1.2 on average), impressed medially in front of posterior margin, convex, widest in front of middle, somewhat narrowed anterad, anterior margin clearly shorter than posterior, lateral margins rounded in anterior two thirds, convergent caudad in almost straight line, posterior angles marked and slightly obtuse. Punctation very dense and rather coarse, ground glossy with very superficial microsculpture, pubescence very long, whitish, depressions near posterior angles narrow, extended in front of middle of lateral margins. Elytrascarcely elongate (ratio length from scutellum to apex / combined width of elytra = 1.1), scarcely widened towards apex, truncate in middle in both sexes, punctation coarser and somewhat less dense than on pronotum, confluent on glossy ground, pubescence long, whitish and decumbent. Abdomendull, microsculpture clearly visible, formed by almost isodiametric meshes, pubescence long, decumbent. Tibiaestraight in both sexes, not modified, tarsomere 5 of posterior tarsi somewhat shorter than 1- 4 together. Aedeagusas in Fig. 15. Accessory scleritesof female as in Fig 16, spermatheca as in Fig. 17. Comparative notes. Dark color, long white pubescence, rather narrow pronotum, and long yellowish antennae make this species easily recognizable among North American Eusphalerum. The related species of the subangulatum group are light and have a wider pronotum. Distribution. CANADA: British Columbia(Map 4), known only from Vancouver Island. Natural history.All specimens were collected in forest sites. No information about host plants is available, as specimens were collected mostly by traps. Captures between May and beginning of July.
1997-07-07
N. Winchester
50.216667
Mt. Cain
1098
-126.36667
11
10
2
British Columbia
holotype
1997-06-09
N. Winchester
Canada
50.216667
Mt. Cain
1098
-126.35
11
10
1
British Columbia
paratype
[514,1414,866,891]
1997-06-09
N. Winchester
Canada
50.216667
Mt. Cain
1098
-126.36667
11
10
1
British Columbia
paratype
1997-06-23
N. Winchester
Canada
50.216667
Mt. Cain
1098
-126.36667
11
10
3
British Columbia
paratype
1997-06-09
N. Winchester
Canada
50.216667
Mt. Cain
1098
-126.36667
11
10
1
British Columbia
paratype
1997-06-09
N. Winchester
Canada
1
50.25
Mt. Cain
1098
-126.416664
11
10
1
British Columbia
paratype
1997-06-23
N. Winchester
Canada
50.25
Mt. Cain
1098
-126.416664
11
10
1
British Columbia
paratype
[472,1392,994,1019]
1997-07-07
N. Winchester
Canada
50.25
Mt. Cain
1098
-126.416664
11
10
1
British Columbia
paratype
1968-05-25
Campbell & Smetana
Canada
Aberni
11
10
1
British Columbia
paratype
1991-07-03
N. Winchester
Canada
Carmanah Valley
11
10
1
British Columbia
paratype