Difference between revisions of "Ocyusa asperula"
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Ordo: Coleoptera
Familia: Staphylinidae
Genus: Ocyusa
Name
Ocyusa asperula Casey – Wikispecies link – Pensoft Profile
- Ocyusa asperula Casey 1894[1]: 305 [often cited as 1893], Webster et al. 2009[2]: 192.
- Ocyusa brevipennis Bernhauer 1906[3]: 344. Moore and Legner 1975[4]: 458. Synonymy confirmed.
Diagnosis
Body length 2.8–3.0 mm, sides subparallel; body colour dark brown, with tarsi, two basal antennal articles and legs rust-brown, rest of antennal articles dark brown; forebody with moderately dense microsculpture, punctation and pubescence, and strongly glossy; head round and about as wide as pronotum; pronotum transverse, with sides strongly arcuate, widest in apical third, and as wide as elytra; elytra at suture much shorter than pronotum (Fig. 9a); abdomen broadly arcuate laterally, slightly broader than elytra at middle and with basal impressions on first three visible tergites; antennae with articles V-X subquadrate (Fig. 9a). MALE: male tergite VIII with apical margin slightly pointed medially (Fig. 9c); sternite VIII rounded apically (Fig. 9d); median lobe of aedeagus with tubus convex basally and then strongly bent ventrally and with complex structures of the internal sac (Fig. 9b). FEMALE: tergite VIII truncate apically with small projections laterally (Fig. 9f); sternite VIII rounded apically (Fig. 9g); spermatheca with small spherical capsule with long and broad invagination, and S-shaped broad stem slightly swollen posteriorly (Fig. 9e).
Distribution
This native Nearctic species was described from Rhode Island by Casey 1894[1] [often cited as 1893]. It was recorded also from New Brunswick in Canada (Map 5) and from Iowa and Massachusetts in the United States (Casey 1894[1], Bernhauer 1906[3] [as brevipennis], Moore and Legner 1975[4], Webster et al. 2009[2]).
Bionomics
Some adults were collected from April to July at lake margins, on moist soil/gravel among sedges, and by treading emergent Carex and grasses. Webster et al. (2009)[2] collected adults by sifting grass litter and mosses (usually sphagnum) near small pools in eastern white-cedar swamps, red maple (Acer rubrum L.) swamps with eastern white-cedar, and in alder swamps. Others were collected by treading green sphagnum, Carex, and grasses in a black spruce bog and by treading cattails and sedges in a boggy marsh.
Locality data
CANADA: New Brunswick: Charlotte Co., 3 km SW of King Brook Lake, 45.3194°N, 67.4414°W, 27.V.2007 (RWC) 1 sex undetermined; 3.0 km NW of Pomeroy Ridge, 45.3059°N, 67.4343°W, 5.VI.2008 (RWC) 1 sex undetermined; Gloucester Co., ca. 1.5 km NE of Six Roads, off Paleot Rd., 47.6292°N, 64.8565°W, 32.V.2010, R.P. Webster (RWC) 1 sex undetermined; Northumberland Co., Goodfellow Brook PNA, 46.8943°N, 65.3796°W, 23.V.2007 (BM) 1 sex undetermined; York Co., New Maryland, off Hwy 2, E of Baker Brook, 45.8760°N, 66.6252°W, 6.IV.2005 (RWC) 1 male; near Mazerolle Settlement, 45.8987°N, 66.7903°W, 9.IV.2006, R.P. Webster (LFC, RWC, NBM) 6 males, 3 females; 9.2 km W of Tracy off Rt. 645, 45.6837°N, 66.8809°W, 22.V.2008 (RWC) 1 female; ca. 14 km SW of Tracy, S of Rt. 645, 45.6603°N, 66.8603°W, 2.VII.2010, R.P. Webster (RWC) 1 sex undetermined.
Taxon Treatment
- Klimaszewski, J; Webster, R; Langor, D; Bourdon, C; Hammond, H; Pohl, G; Godin, B; 2014: Review of Canadian species of the genera Gnathusa Fenyes, Mniusa Mulsant & Rey and Ocyusa Kraatz (Coleoptera, Staphylinidae, Aleocharinae) ZooKeys, 412: 9-40. doi
Other References
- ↑ 1.0 1.1 1.2 Casey T (1894) Coleopterological notices. V. Annals of the New York Academy of Sciences 7: 281–606 [often cited as 1893]. doi: 10.1111/j.1749-6632.1893.tb55411.x
- ↑ 2.0 2.1 2.2 Webster R, Klimaszewski J, Pelletier G, Savard K (2009) New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada. 1. Aleocharinae. ZooKeys 22: 171–248. doi: 10.3897/zookeys.22.152
- ↑ 3.0 3.1 Bernhauer M (1906) Neue Aleocharinen aus Nordamerika. Deutsche Entomologische Zeitschrift 1906: 337–348.
- ↑ 4.0 4.1 Moore I, Legner E (1975) A catalogue of the Staphylinidae of America north of Mexico (Coleoptera). University of California, Division of Agricultural Science, Special Publication No. 3015: 1–514.
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