Barclayanthus cooteri Borovec & Skuhrovec, 2019

Borovec, Roman & Skuhrovec, Jiří, 2019, Two new genera of Trachyphloeini with a key to the genera of small terricolous South African Trachyphloeini and Embrithini (Coleoptera: Curculionidae: Entiminae), Zootaxa 4695 (5), pp. 451-476 : 457

Barclayanthus cooteri Borovec & Skuhrovec , sp. nov.

( Figs 3 A–E)

http://zoobank.org/ urn:lsid:zoobank.org:act:922271DA-520C-43D2-BB4B-22E687D04EFB

Type locality. Verlorevlei farm ( South Africa, Western Cape) .

Type material. Holotype. ♂, ‘ S.Afr., SW Cape [ South Africa, Western Cape], Verlorevlei farm, 32.19 S– 18.22 E, 28.8.1981; E-Y: 1856, ground traps, 60 days, leg. Endröedy-Younga, ground trap with banana bait’ ( TMSA) . Paratype. 1 ♀, the same data as holotype ( TMSA) .

Description ( Figs 3 A–E). Body length holotype 1.51 mm, paratype 1.66 mm. Vestiture on dorsal part of body hardly visible ( Fig. 3A ) through incrustation of the body, but appressed scales are composed of rounded sparse scales, leaving space between. Semiappressed setae very short, hardly visible, slender, distinctly shorter than diameter of one appressed scale.

Rostrum ( Fig. 3B ) 1.94–2.03 × as wide as long, at base 1.31–1.33 × as wide as at apex.

Scapes ( Fig. 3A ) 1.88–2.06 × as long as wide, 1.13 × as long as funicles, basal half abruptly dilated, than subparallel-sided, at apex 1.52 × as wide as clubs. Funicle segment 1 the largest, 1.5 × as long as wide and 2.5 × as long as segment 2, which is 1.1 × as long as wide; segment 3 and 4 1.1 × longer than wide; segment 5 1.1 × as wide as long; segment 6 1.3 × as wide as long; club twice as long as wide.

Pronotum 1.34–1.43 × as wide as long ( Fig. 3A ), widest at anterior third with slightly rounded sides, weakly tapered posteriad; in lateral view distinctly vaulted, behind anterior border flattened.

Elytra 1.09–1.16 × as long as wide ( Fig. 3A ), distinctly wider than pronotum, disc in lateral view vaulted, odd intervals more elevated than even ones along the entire their length. Tergite VIII in males apically concave.

Protibiae ( Fig. 3E ) robust, 3.63–4.17 × as long as wide, inner side straight, widest between anterior third and quarter. Tarsal segment 2 1.1 x wider than long; segment 3 1.2 × as wide as long and 1.2 × as wide as segment 2; onychium 1.3 × as long as segment 3.

Male genitalia. Penis ( Fig. 3D ) long and slender, subparallel-sided with concave sides, apical part short, subtriangular, tip narrowly rounded; in lateral view regularly curved, equally wide along the entire length, apical part regularly tapered apicad.

Female genitalia were not examined.

Derivation of name. This newly described species is dedicated to our friend, Jon Cooter (Oxford, UK) specia- list of Leiodinae, for his patient help with English in our last several articles.

Biology. Unknown.

Distribution. South Africa, Western Cape.

Differential diagnosis. Barclayanthus cooteri Borovec & Skuhrovec , sp. nov. can be easily separated from B. micros Borovec & Skuhrovec , sp. nov. mainly by elytra with odd intervals more elevated than even ones, pronotum narrow, distinctly narrower than elytra and penis with apical part short, subtriangular, with tip narrowly rounded.

Figures

FIGURE 3. Barclayanthus cooteri sp. nov. A—habitus, dorsal view, male; B—rostrum, dorsal view, male; C—rostrum, lateral view, male; D—aedeagus; E—protibia, male. Scale bars: 1 mm (A), 0.5 mm (D).