Xotidium Löbl, 1992

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

Xotidium Löbl, 1992

Comments: This genus is characterized by 2-segmented labial palpi. Currently, it includes six species, known from Sri Lanka, Nepal Himalaya, the Philippines, Australia, and Mauritius. An additional species was found in Lombok.

Key to the species of Xotidium

1 Elytra lacking basal striae, sutural striae shortened............................................................ X. mauritianum (Vinson)

– Elytra with basal striae joined to sutural striae......................................................................................................... 2

2 Elytra uniformly reddish-brown to black ................................................................................................................. 3

– Elytra with distinctive colour pattern ....................................................................................................................... 6

3 Body length 1.10-1.25 mm. Aedeagus with short, evenly thick and sinuate flagellum ............ X. pygmaeum (Löbl)

– Body length 1.35-1.65 mm ....................................................................................................................................... 4

4 Widened apical section of parameres about as long as half of parameres. Internal sack with very long, weekly sclerotized and simple tube.........................................................................................................X. tubuliferum Löbl

– Widened apical section of parameres much shorter than half of parameres ............................................................ 5

5 Internal sac of aedeagus with U-shaped, basally thickened flagellum ........................................... X. uniforme Löbl

– Internal sac of aedeagus with short basal sclerites followed by long membranous tube ......... X. bolmarum sp. nov.

6 Elytra dark, each with light transverse fascia situated in basal half of elytron and light apical part. Pronotum entirely dark ............................................................................................................................... X. montanum (Löbl)

– Elytra light, each darkened along basal and apical margins, usually also darkened along sutural margin. Pronotum light, usually with dark transverse fascia....................................................................................... X. notatum (Löbl)