Paratesba ruficaudata, Bordoni, 2012

Bordoni, A., 2012, New data on the Oriental Xantholinini. 26 °. Species of the Oxford Museum (Coleoptera, Staphylinidae) 226 ° contribution to the knowledge of the Staphylinidae, Linzer biologische Beiträge 44 (1), pp. 421-426 : 422-423

Paratesba ruficaudata nov.sp. ( Figs 1-6 )

H o l o t y p e: Borneo, Sabah, Lahad Datu, Ulu Segama For. Res., Danum Valley, 04°58. 660'N, 117°53. 410'E, Slade & Villanueva leg. III.2005, 1 ex. (OUMNH).

D e s c r i p t i o n: Length of body about 12 mm; from anterior margin of head to posterior margin of elytra: 6,8 mm. Body narrow. Similar to Paratesba minuta BORDONI 2011 from the same localitie in size, coloration and punctuation, from which it differs by very larger and wider body, posterior margins of 5°-6° visibile abdominal segments reddish, as well as the genital segment reddish, shape of labrum, carinae on the head, absent in P. minuta . Head subquadrate, slightly dilated posteriad, with sub rectilinear sides. Eyes slightly protruding. Surface of head with regular large punctuation and carinae as in Fig. 2 . Red labrum, as in P. minuta , shaped as in Fig. 1 . Pronotum larger than head, before the same width, with sinuate sides. Surface shiny, with dorsal series of 4 anterior punctures and 3-4 posterior irregular punctures, confused with some sparse other punctures; one big puncture near the anterior angles. Anterior margin of pronotum as in Fig. 3 .

Elytra of the usual color and punctuation. Abdomen with traces of fine transversal microstriation and deep, large punctuation.

Tergite and sternite of the male genital segment as in Figs. 4-5 . Aedeagus ( Fig. 6 ) very large (2,6 mm long) in relation to the size of the body, very long and narrow, with short asymmetrical parameres; inner sac shaped long and narrow ribbon wrapped around itself, covered by fine and sparse scales.

E t y m o l o g y:FromtheLatin rufus - a - um (red) and cauda - ae (tail), in relation to the coloration of the back of the abdomen.

D i s t r i b u t i o n: This species is known only from the type localitie.

Figures

Figs 1-6: Paratesba rofocaudata nov.sp.: labrum (1); head (right half omitted) (2); anterior margin of pronotum (3); tergite and sternite of male genital segment (4-5); aedeagus (6) (bar scale: 0,1 mm).