Balchis oromiana, Bordoni, 2019

Bordoni, Arnaldo, 2019, New data on the Afrotropical Xantholinini. 3. New species from Ethiopia of the Naturkundemuseum, Erfurt (Coleoptera, Staphylinidae), Beiträge Zur Entomologie = Contributions to Entomology 69 (1), pp. 79-85 : 82-83

Balchis oromiana spec. nov.

urn:lsid:zoobank.org:act:504C405E-7F96-477E-96EC-334336EBFC05

( Figs 18–20 )

Examined material: Holotype: Ethiopia, Oromia prov., above Dodola , 3400-3700 m, 06.51N, 39.14E, J. Schmidt 12.XII.2016 ( NME); paratypes: same data, 4 ( NME), 1, 1 (cB).

Description: Length of body 7,5 mm, from anterior margin of head to posterior margin of elytra: 3.5 mm. Brachypterous, reddish brown very dark with brown antennae and legs. Head ovoid elongate, barely narrow anteriad, with moderately rounded sides and narrowly rounded posterior angles. Eyes vey small and flat. Surface of head with very fine, dense, transverse microstriation and scattered, deep punctation, apart a wide median stripe. Pronotum massive, moderately dilated anteriad, longer than head, as wide as it, with very oblique anterior margins and widely rounded anterior angles. Surface similar to that of head, with dorsal series of 10-11 punctures and lateral series of 6-7 irregular punctures; other punctures near the anterior angles. Elytra short, moderately dilated posteriad, shorter and a little narrower than pronotum, with obsolete humeral angles. Surface wrinkled, with fine, sparse punctation, arranged in some series. Abdomen with transverse micro-striation and sparse punctation, arranged in some series on each segment.

Tergite and sternite of the male genital segment as in Figs 18-19 . Aedeagus ( Fig. 20 ) 0.7 mm long, subspherical, with asymmetric, long parameres, dilated in the proximal portion; distal lobule sub-rectangular; inner sac partially everted, indefinable, with some, very fine spinulae.

Etymology: The specific epithet refers to Oromia province.

Distribution: The species is known only from the type locality.

Remarks: This species differs from its congeners by larger size, darker color and genitalia.

Figures

Figs 18–23: Balchis oromiana spec. nov.: tergite (18) and sternite (19) of the male genital segment and aedeagus (20); Balchis hartmanni spec. nov.: tergite (21) and sternite (22) of the male genital segment and aedeagus (23) (scale bar: 0.1 mm).