Oedichirus mediosiamensis, Rougemont, 2018

Rougemont, Guillaume de, 2018, New oriental Oedichirus (Staphylinidae, Paederinae, Pinophilini), Linzer biologische Beiträge 50 (1), pp. 461-536 : 489

publication ID

https://doi.org/ 10.5281/zenodo.4004245

DOI

https://doi.org/10.5281/zenodo.4341032

persistent identifier

https://treatment.plazi.org/id/142287A5-FFFA-FFF7-FF63-FE51FCF0FAB3

treatment provided by

Valdenar

scientific name

Oedichirus mediosiamensis
status

sp. nov.

Oedichirus mediosiamensis View in CoL nov.sp.

(Figs 47)

Material studied: ♂ Holotype: THAILAND, Petchaburi, Kaeng Krachan Nat. Pk., 450 m, 19.XI.1985, Burckhardt – Löbl / HOLOTYPE Oedichirus mediosiamensis des. 2015 G. de Rougemont [ MHNG] ; 1♂ paratype; [Ibid.] [ CRO]; 1♀ paratype: THAILAND, Petchaburi , Kaeng Krachan Nat. Pk, 450 m, 18.XI.1985 Burckhardt – Löbl / Oedichirus sp. det. G. de Rougemont 1999 / PARATYPE Oedichirus mediosiamensis des. 2015 G. de Rougemont [ MHNG] .

Additional material: 1♀: THAILAND Prov. Kanchanaburi, 21.VII.87, Sai Yok Nat. Park, P. Schwendiger 100 m / Oedichirus mediosiamensis det. 2015 G. de Rougemont [MHNG].

Description: length: 6 mm; length of fore-body: 2.5; length of head: 0.64; breadth of head: 0.82; length of antenna: 1.8; length of pronotum: 1; breadth of pronotum: 0.9; length of elytron: 0.95; breadth of elytra: 0.87. Body piceous, palpi, antennae and legs uniformly testaceous. Fore-body devoid of microsculpture, micro-reticulation of abdominal tergites III-VII scarcely distinguishable, distinct on tergites VIII-IX. Pubescence of mixed lengths, erect. Habitus: Fig. 47h.

Head strongly transverse, eyes prominent but not very large; post-ocular carina salient, ending anteriad in a dentiform angle well removed from posterior margin of eye, groove above carina scarcely distinguishable; puncturation sparse, consisting of a few irregularly scattered small frontal punctures, a pair of very large closely-set umbilicate punctures on vertex, about eight scattered punctures on each postero-lateral area, and about five small punctures on each side on post-ocular border. Pronotum short, lateral margins entirely bordered; disc with an irregular but discernible pair of discal series of six punctures each preceded by a cluster of about ten punctures, a few small scattered lateral punctures in anterior half, a posterior lateral series of three large punctures, and 5-6 small punctures along lateral margins. Micropterous, elytra measured along suture shorter than pronotum, humeral angles much reduced but not completely obsolete; puncturation coarse and dense, especially near suture. Punctures of abdominal tergites apparently random on tergites III and IV, clearly arranged in discrete transverse rows on following tergites.

Male: sternite VII: unmodified; aedoeagus: Fig. 47arl.

Female: sternite IX (of ex. From Kanchanaburi prov.): Fig. 47vp.

This species is similar to O. uncifer nov.sp. from which it may be distinguished by the puncturation of the abdominal tergites, as described in Key 3.

MHNG

Museum d'Histoire Naturelle

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

Genus

Oedichirus

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