Xotidium Loebl , 1992

Ogawa, Ryo & Loebl, Ivan, 2016, A review of the genus Xotidium Loebl, 1992 (Coleoptera, Staphylinidae, Scaphidiinae), with descriptions of five new species, Deutsche Entomologische Zeitschrift 63 (1), pp. 155-169 : 155

Taxon classification Animalia Coleoptera Staphylinidae

Xotidium Loebl, 1992

Xotidium Löbl, 1992: 573; type species: Xotidium uniforme Löbl, 1992.

Diagnosis.

Body narrow, usually 1.8 times as long as wide. Maxillary palpomere IV aciculate with some macrosetae (Fig. 2d, h). Labial palpus two segmented, apical segment very slender (Fig. 2c, g). Mentum setose (Fig. 2b). Antenna filiform; antennomere III slender, straight; antennomeres each VII–XI covered with microsetae. Mandible multidentate apically; mola with brush (Fig. 2e, i). Galea broad, without subapical short bristles. Anterior margin of pronotum with a bead. Posterior angle of pronotum not pointed (obtuse), lateral margin not sinuate, sub-basal stria absent. Eyes weakly emarginate. Prothoracic corbiculum present. Secondary lines of mesoventrite present. Anterior portion of proventrite greatly reduced. Elytra usually with entire basal stria joined with lateral and sutural stria, sometimes sutural stria interrupted. Mesepimeron reduced, small or concealed (Fig. 1). Visible abdominal ventrite I without metacoxal bead. Profemoral ctenidium absent. Meso- and metatibiae with single long spur. Meso- and metacoxae adjacent.

Remarks.

The shape of the labral apex in this genus is possibly species specific (Fig. 2a, f).