Horaeomorphus punctatissimus Franz, 1992

Zhou, De-Yao & Li, Li-Zhen, 2016, New data on Horaeomorphus Schaufuss (Coleoptera: Staphylinidae: Scydmaeninae) from the Oriental region, with description of a bizarre new species from Yunnan, Southeast China, Zootaxa 4161 (2), pp. 271-281 : 278-279

Horaeomorphus punctatissimus Franz, 1992

Figs 2 , 22–23

Horaeomorphus punctatissimus Franz, 1992: 891 ; Jałoszyński, 2006: 36, Figs 7 , 21 , 63, 70-74, 80-82, 123.

Material examined. 1Ƌ, labeled ‘ Malaysia: Sabah, Mt. Trus Madi, Borneo Jungle Girl Camp , 05°27'03.96''N, 116°26'52.48''E, rotten wood, sifted, 986m, x.2015, Jian-Yun Wang leg.’.

Distribution. Previously known from East Malaysia (Crocker Range: Mt. Kinabalu and Mt. Emas) and Indonesia (Sumatra and Siberut Is.) ( Jałoszyński, 2006); herein newly recorded from East Malaysia: Mt. Trus Madi.

Remarks. This species can be readily identified by the strongly modified hind legs in males, with long, thin and curved metatrochanteral projections, metafemora with ventral margin more convex than dorsal margin, metatibiae very strongly bent in the proximal third; in female metatibiae are also strongly bent ( Jałoszyński, 2006). Bionomics. The presented individual was found crawling in the gaps of bark of a rotten tree in Mt. Trus Madi ( Figs 22–23 ).

Figures

FIGURES 1 – 2. Dorsal habitus of Horaeomorphus species. H. bicornis, holotype male (1); H. punctatissimus, male (2).

FIGURES 21 – 23. Habitat of H. bicornis in Yinjiang Hsien (21). Living male adult of H. punctatissimus on a rotten log in Mt. T

FIGURES 3 – 7. Diagnostic characters of Horaeomorphus bicornis. Head in dorsal view (3), in ventral view (4), and in lateral view (5); left metatibia in dorsal view (6), and in lateral view (7). Abbreviation: mn, mentum.