Baeocera mindanaosa, Löbl & Ch-, 2012

Löbl, Ivan, 2012, On the Scaphisomatini (Coleoptera: Staphylinidae: Scaphidiinae) of the Philippines, III: the genus Baeocera Erichson, Revue suisse de Zoologie 119 (3), pp. 351-383 : 371-373

Baeocera mindanaosa sp. nov. Figs 47-50

HOLOTYPE: Ƌ, MINDANAO, Misamis Occ., 1700m, Don Victoriano, 1.-3.V.1996, leg. Bolm ( SMNS).

PARATYPES: 1 ♀, MINDANAO, with the same data as the holotype ( SMNS) . – 3 Ƌ, MINDANAO, 30 km NW of Maramag, Bagongsilang , 1700m, 13.-17.V.1996, leg. Bolm, ( SMNS, MHNG) . – 2 ♀, MINDANAO, 30 km E of Malaybalay, Busoi , 1000m, 5.-9.V.1996, leg. Bolm, ( SMNS, MHNG) .

DESCRIPTION: Length 1.10-1.20 mm, width 0.76-0.84 mm. Body dark brown to blackish, elytra sometimes becoming lighter apically, abdomen, femora and tibiae dark reddish-brown, tarsi and antennae lighter. Body convex dorsally. Eyes large. Length ratio of antennomeres as: III 8: IV 9: V 10: VI 9: VII 11: VIII 8: IX 12: X 11: XI 17. Antennomeres III to VI almost evenly narrow; VII almost 4 times as long as wide, much wider than VI; VIII sligthly wider than VI, about 4 times as long as wide; IX to XI each distinctly wider than VII, XI somewhat more than 3 times as long as wide. Pronotum and elytra without microsculpture, with lateral contours continuously arcuate; pubescence hardly visible at 50 times magnification. Pronotum very finely punctate, with lateral margins strongly convex, lateral margin carinae concealed in dorsal view. Scutellum concealed. Elytra almost covering apex of abdomen, with lateral carinae concealed in dorsal view. Elytron with sutural stria fine, starting more or less posterior level of margin of pronotal lobe, not curved anteriorly. Elytral punc- FIGS 43-50

(43-46) Baeocera louisi sp. n., aedeagus (43, 46) in dorsal and lateral views, paramere (44) and internal sac (45) in dorsal view; scale bar = 0.1 mm for aedeagus, = 0.05 mm for paramere and internal sac. (47-50) Baeocera mindanaosa sp. n., aedeagus (47, 50) in dorsal and lateral views, internal sac (48) and paramere (49) in dorsal view; scale bar = 0.1 mm for aedeagus, = 0.05 mm for internal sac and paramere.

tation very fine on fairly short and variably wide humeral area, coarse and dense on remaining surface, including base near suture; punctures about as large as or smaller than puncture intervals. Hind wings not reduced. Hypomera impunctate. Mesepimera hardly impressed, about 3 times as long as wide and about twice as long as interval to mesocoxa. Margin of mesanepisterna not carinate along mesepimera. Metaventrite flat in middle, with impunctate central surface small, around centre coarsely punctate. Lateral parts of metaventrite almost entirely coarsely punctate; with punctures partly elongate, coarser than those on central area or on elytra, often distinctly larger than punctures intervals. Submesocoxal lines parallel, with marginal punctures about as large as those around centre of metaventrite, not extended along anapleural suture. Submesocoxal area about 0.02 to 0.03 mm long, shortest interval between its margin and metacoxa about 0.08 mm. Metanepisterna flat, fused to metaventrite, suture indicated by outer coarse puncture row. Metepimera lacking stria along inner margin. Abdominal ventrite 1 lacking microsculpture, with basal punctures coarse, laterally somewhat elongate, not or barely interrupted in middle and extended to lateral margins. Punctation coarse and irregular posterior basal puncture row. Tibiae straight.

Male characters: Tarsomeres 1 to 3 of forelegs weakly widened. Aedeagus as in Figs 47-50, 0.33-0.37 mm long. Median lobe moderately sclerotized.

DISTRIBUTION: Philippines, Mindanao.

ETYMOLOGY: The species epithet refers to the island Mindanao.

COMMENTS: This species may be easily distinguished from the remaining Philippine congeners by the short sutural striae of the elytra. Several females possessing this character state were found in Leyte and are housed in the collections of SMNS and MHNG. These specimens may represent a distinct species. In absence of males they remain unidentified.