Stenus permodestus, Puthz, 2012

Puthz, V., 2012, On the Stenus LATREILLE 1797 from Taiwan with non-spotted elytra (Coleoptera, Staphylinidae) (327 Contribution to the Knowledge of Steninae), Linzer biologische Beiträge 44 (2), pp. 1431-1475 : 1451

publication ID

https://doi.org/ 10.5281/zenodo.5337424

DOI

https://doi.org/10.5281/zenodo.8392902

persistent identifier

https://treatment.plazi.org/id/03831324-7C4F-FFCB-FF01-FDF63F1EE476

treatment provided by

Carolina

scientific name

Stenus permodestus
status

sp. nov.

Stenus permodestus View in CoL nov.sp. ( Figs 33 View Figs 30-41 , 72 View Figs 70-77 )

Type material: Holotype () and 5, 3 - paratypes: Taiwan: Nantou Hsien: Houhuanshan, Kuenyang , 3050m, 4.V.1991, A. Smetana (T 63) . Paratypes: 3, 5: ibidem, idem (T 64) ; 4, 3: ibidem, 13.V.1995, idem (T 179).- HT and PTT in coll. Smetana (Ottawa), PTT also in cN and in cP .

Description: About as in S. persubtilis nov.sp.

Length: 2.7-3.2mm (forebody: 1.4-1.6mm).

PM of the HT: HW: 30; DE; 16; PW: 22; PL: 22; EW: 26.5; EL: 23.5; SL: 18.

Male: Metasternum shallowly impressed, moderately coarsely and moderately densely punctate, interstices mostly larger than half diameter of punctures. Anterior sternites simple, sternite 7 finer and denser punctate and pubescent medially than laterally. Sternite 8 with a broad and shallow apical emargination (LS: ED= 51:3). Sternite 9 with comparatively short, blackish apicolateral teeth. Aedeagus (fig. 33), apex of median lobe pointed, expulsion clasp broad; parameres as long as median lobe, with 8-9 apical setae.

Female: Sternite 8 at posterior margin feebly and roundly projecting. Valvifer with a short apicolateral tooth. Spermatheca (fig. 72), infundibulum slender, about 3x as long as broad.

Median portion of frons distinctly exceeding the level of medial eye margins; pronotum and elytra with deep impressions; abdominal punctation dense, interstices on tergite 7 distinctly smaller than punctures.

Comparative notes: This new species may be distinguished from S. perversor nov.sp., which has been found in about the same area, by the shape of the spermatheca with a relatively slender infundibulum, and by the aedeagus with a more pointed median lobe, from all other close relatives also by the sexual characters.

Etymology: Since this species has no exceptional characters I name it " permodestus " (Lat.= very modest).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Stenus

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