Xotidium bolmarum, Lobl, 2015

Löbl, Ivan, 2015, On the Scaphidiinae (Coleoptera: Staphylinidae) of the Lesser Sunda Islands, Revue suisse de Zoologie 122 (1), pp. 75-120 : 119-120

Xotidium bolmarum sp. nov.

Figs 121-124

Holotype: SMNS; ♂; Indonesia, Lombok Senaro , N slope of Rinjani, 2.-5.Feb.1994 Bolm lgt. 1100 m.

Paratypes: SMNS, MHNG; 3 ♂, 8 ♀; Indonesia, with the same locality data as the holotype. – SMNS; 1 ♂; Lombok Is. Sapit-Sembalun Bumbung 14.-16.Feb.1994 Bolm lgt. 900-1500 m.

Etymology: The species epithet is patronymic.

Description: Length 1.35-1.46 mm, width 0.80- 0.85 mm, dorsoventral diameter 0.78-0.80 mm. Body reddish-brown, apex of abdomen yellowish, femora and tibiae somewhat lighter than pronotum and elytra, tarsi and antennae yellowish-brown to yellowish. Antennae long, length/width ratio of antennomeres as follows: III 29/6: IV 33/6: V 38/7: VI 40/6: VII 48/12: VIII 45/7: IX 46/10: X 43/13: XI 44/15. Dorsal surface of body very finely punctate. Elytra with sutural striae shallow, curved along bases to form basal striae joined to lateral striae. Adsutural areas flat. Mesal part of metaventrite flattened. Submesocoxal areas about 0.05 mm long, submesocoxal lines coarsely punctate. Remainder of metaventrite very finely punctate. Abdomen without obvious microsculpture, with fairly coarse basal punctures, remaining punctation hardly visible.

Male: Male protarsus hardly widened. Aedeagus (Figs 121-123) 0.45-0.48 mm long. Widened apical part of parameres short, bent dorsally, with weakly sclerotized margins. Internal sac with short basal sclerites followed by membranous tube bearing very fine spine-like structures.

Female: Ovipositor (Fig. 124) with long distal gonocoxite slightly narrowed between base and mid-length, bearing one short subapical seta, and one long and one short apical setae, gonostyle absent.

Distribution: Indonesia: Lombok.

Type locality: Lombok Senaro, N slope of Rinjani, 1100 m.

Comments: This new species may be easily distinguished from other congeners by characters given in the key. It is unambiguously defined by the shape of the parameres in combination with the sclerotized structures of the internal sac.