Pseudobironium subglabrum Löbl, 1990

Löbl, Ivan & Tang, Liang, 2013, A review of the genus Pseudobironium Pic (Coleoptera: Staphylinidae: Scaphidiinae), Revue suisse de Zoologie 120 (4), pp. 665-734 : 715-716

publication ID	https://doi.org/ 10.5281/zenodo.6119135
publication LSID	lsid:zoobank.org:pub:4D3B1938-8EF5-455D-8E52-596F2D4C8221
DOI	https://doi.org/10.5281/zenodo.6312020
persistent identifier	https://treatment.plazi.org/id/0388BF6C-397A-FFBD-FF78-FD19FBF9294F
treatment provided by	Carolina
scientific name	Pseudobironium subglabrum Löbl, 1990
status

Treatment

Pseudobironium subglabrum Löbl, 1990 View in CoL

Pseudobironium subglabrum Löbl, 1990: 514 View in CoL .

HOLOTYPE: Ƌ, MHNG. Type locality: Thailand, Chiang Mai, Doi Inthanon , 1650m.

DISTRIBUTION: Thailand.

COMMENTS: The species remains known by the single type. It may be distinguished from the presumably related P. almoranum by the reddish-brown body with elytra slightly darkened apically, the elytral punctation fine except near apices, the broader apical process of the median lobe, the curved parameres, and the structures of the internal sac.

Pseudobironium ussuricum Löbl, 1969 View in CoL Figs 75-77 Pseudobironium ussuricum Löbl, 1969: 325 View in CoL .

HOLOTYPE: ZMAN. Type locality: Russia, Ussuri , Vinogradovka.

ADDITIONAL MATERIAL EXAMINED: CHINA, Yunnan, Xishuangbanna , 24.I.1993, 1 ex. leg. G. de Rougemont ( MHNG) .

DISTRIBUTION: Far East Russia, China: Anhui, Yunnan; South Korea.

COMMENTS: This species is unique in having metaventrite and abdominal sternite 1 coarsely punctate laterally. It has short antennae and the body comparatively weekly convex dorsally, and resembles in these two characters P. sparsepunctatum , P. languei and P. achardi . The ultimate segment of the maxillary palpi is however tapering and about 3 times as long as wide, quite distinctive from that in P. sparsepunctatum and P. languei , while P. achardi is distinctive by its smaller size of body and peculiar coloration of the pronotum and elytra. The length ratio of the antennomeres in P. ussuricum is as follows: II 10: III 6: IV 8: V 10: VI 7: VII 13: VIII 12: IX 13: X 12: XI 17; antennomere XI about three times as long as wide. The aedeagus (Figs 75-77) is characterized by the very narrow and weakly inflexed tip of the medina lobe (in lateral view) and narrow, straight parameres. The description of P. ussuricum was based on specimens from Far East Russia. The species was subsequently reported from the Chinese province Anhui ( Löbl, 1984b: 993) and from Korea ( Hoshina & Ahn, 2005: 522).

FIGS 76-79

(76, 77) Pseudobironium ussuricum Löbl , aedeagus in dorsal (76) and lateral (77) views, scale bar = 0.2 mm. (78, 79) Pseudobironium antennatum sp. nov., aedeagus in dorsal view (78), internal sac in dorsal view (79); scale bars for aedeagus = 0.2 mm, for internal sac = 0.1 mm.