Linan fortunatus Yin & Li, 2013

Yin, Zi-Wei & Li, Ning, 2021, Eight new species and additional records of the Pselaphodes complex from Laos and Vietnam, with a key to known species (Coleoptera: Staphylinidae: Pselaphinae), Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 61 (1), pp. 35-53 : 40-41

Linan fortunatus Yin & Li, 2013

Linan fortunatus Yin & Li, 2013a: 147 .

Type locality. China, Guangxi Province, Jinxiu County, Lianhuashan Mountain , 1100 m, 24°09′21″N, 110°06′48″E.

Additional material examined (35 specimens). VIETNAMN: VĩNH PHÚC: 4 ♂♂ 6 ♀♀, ‘ VIETNAM, Tam Dao, N21°27′48″, E 105°38′46″, 16.V. 2012, 1229 m, sift 06, V. Grebennikov lgt’ ( MHNG, SNUC) ; 5 ♂♂ 5 ♀♀, ‘ VIETNAM, Tam Dao , N21°29′27″, E105°37′49″, 13.V. 2012, 1128 m, sift 03, V.Grebennikov lgt’ ( MHNG, SNUC) ; 1 ♂ 4♀♀, ‘ VIETNAM, Tam Dao , N21°27′44″, E105°38′55″, 17.V. 2012, 1185 m, sift 07, V. Grebennikov lgt’ ( MHNG) ; 2 ♂♂ 2♀♀, ‘ VIETNAM, Tam Dao , N21°27′54″, E105°38′44″, 12.V. 2012, 1218 m, sift 02, V. Grebennikov’ ( MHNG) ; 3 ♂♂ 1♀♀, ‘ VIETNAM, Tam Dao , N 21°27′54″, E 105°38′56″, 14.V. 2012, 1237 m, sift 04, V. Grebennikov lgt’ ( MHNG) ; 1 ♂, ‘ Mt. Tam Dao (950), Vinh Phu Prov C N-VIETNAM], 13.v.2003. S Nomura leg’ ( MHNG) ; 1 ♀, ‘same locality and collector, except ‘ 21. v. 2003 ’ ( MHNG) .

Comments. The male of L. fortunatus can be readily separated from all congeners by denser setae at the posterolateral margins of pronotum and the anterolateral margins of elytra, as well as by apically broadened antennomere 9, which is massively impressed on the lateral surface. The female, which was previously unknown, lacks these dense setae on pronotum and elytra. This species was originally described from Guangxi, southern China, and is here reported from northern Vietnam. The populations from China and Vietnam differ only slightly in the shape of the apex of the median lobe and the position of the endophallic sclerites of aedeagus.

Distribution. China: Guangxi; Vietnam: Vĩnh Phúc (Y I N & L I 2013 a; this paper). First country record for Vietnam.