Stenus perpropinquus, 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 : 1436

publication ID

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

DOI

https://doi.org/10.5281/zenodo.8392850

persistent identifier

https://treatment.plazi.org/id/03831324-7C5E-FFDA-FF01-FE303F1EE590

treatment provided by

Carolina

scientific name

Stenus perpropinquus
status

sp. nov.

Stenus perpropinquus View in CoL nov.sp. ( Figs 5 View Figs 1-16 , 26 View Figs 17-29 , 51 View Figs 42-54 )

Type material: Holotypus () and 7, 9 - paratypes: TAIWAN: Hualien Hsien: Taroko N. P., Nanhushi Hut , 2220m, 8.V.1990, A. Smetana (T 48) . Paratypes: 6: as HT, 12.V.1990, idem (T 55) ; 1: ibidem 2200m, 11.V.1990, idem (T 53) ; 2, 6: Ridge SE Nanhushi Hut, 2700m, 11.V.1990, idem (T 52).- HT and PTT in coll. Smetana (Ottawa), PTT also in cP and cTang .

Description:Sameasin S. perpusillus nov.sp. (see above).

Length: 2.4-2.9mm (forebody: 1.3-1.4mm).

PM of the HT: HW: 27.7; DE: 14; PW: 20.5; PL: 20; EW: 24.8; EL: 21; SL: 16.

Male: Ventral characters as in S. perpusillus . Aedeagus (fig. 26), median lobe triangulary narrowed toward rounded apex, expulsion hooks connected medially; parameres longer than median lobe, with 7-8 setae in apical quarter.

Female: Sternite 8 obtusely triangular at posterior margin. Valvifer with a moderately long tooth apicolaterally. Spermatheca (fig. 51).

Comparative notes: In most respects very similar to S. perpusillus , but the abdominal punctation denser and slightly less fine: punctures on tergite 4 as large as basal cross section of antennal segment 3, interstices distinctly smaller than punctures, punctures of tergite 7 slightly larger than one eye facet near medial eye margin, interstices distinctly smaller than punctures.- A reliable identification of this species is only possible by examining the sexual characters.

Etymology: Since this species is extremely close to S. perpusillus I name it " perpropinquus " (Lat.= very close).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Stenus

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