Olophrum scheerpeltzi Bernhauer, 1938

Olophrum scheerpeltzi Bernhauer, 1938 View in CoL

( Figs 3 View FIGURES 1–6 , 10–11 View FIGURES 10–15 )

Olophrum scheerpeltzi Bernhauer, 1938: 18 View in CoL .

Type material examined. Holotype ♂ ( Fig. 3 View FIGURES 1–6 ; dissected): ‘ ♂ ’ <printed>, ‘Prov. Fukien | [unreadable] | China’ <handwritten>, ‘Foochow’ <handwritten>, ‘scheerpeltzi | Brnh. Typus | unic.’ <handwritten>, ‘Scheerpeltzi | Bernh. Typus | unic. Olophrum’ <light yellow label, handwritten>, ‘Dr. M. Bernhauer | 10.XI. [handwritten] donavit 1942 [handwritten]’ <printed>, ‘ex coll. | Scheerpeltz’ <blue, printed>, ‘TYPUS [printed] | Olophrum | scheerpeltzi | Bernhauer’ <red, handwritten>, ‘ Olophrum | scheerpeltzi Bernhauer, 1938 | Shavrin A.V. det. 2025’ ( NMW).

Redescription. Measurements: HW: 0.80; HL: 0.52; OL: 0.20; TL: 0.12; AL: 1.80; PL: 0.72; PWmax: 1.12; PWmin: 0.95; ESL: 1.35; EW: 1.57; MTbL: 0.85; MTrL: 0.36 (MTrL 1–4: 0.21; MTrL 5: 0.15); AW: 1.55; AedL: 0.77; BL: 3.80.

Body relatively wide, with slightly convex pronotum and elytra ( Fig. 3 View FIGURES 1–6 ). Coloration reddish-brown, with slightly darker head and abdomen; mouthparts and antennomeres 1–3 yellowish; antennomeres 4–11 and legs yellow-brown. Head with irregular fine and sparse punctation, denser in middle between anterior margin of eyes and ocelli; neck with sparse and fine punctation; punctation of pronotum sparse, larger and deeper than that on pronotum, sparser in latero-apical, apical and mediobasal portions; scutellum with several fine punctures; punctation of elytra distinctly sparser, larger and deeper than that on pronotum, finer along suture, each elytron forming six vague and tangled longitudinal rows of punctures. Head with dense microsculpture: transverse in apical part of clypeus and isodiametric in middle and infraorbital portions; neck with dense isodiametric sculpture; pronotum with dense isodiametric microreticulation, indistinct in mediobasal portion; scutellum with fine isodiametric meshes; elytra without microsculpture; abdominal tergites with dense isodiametric microreticulation.

Head 1.5 times as broad as long, with indistinct narrow impression in middle in front of ocelli; postocular ridges indistinct, obtuse, distance between posterior margin of eye and ridge about as long as diameters of two nearest ommatidia; temples broadened, 1.6 times as long as longitudinal length of eye. Ocelli located slightly below level of postocular ridges, distance between ocelli about as long as distance between ocellus and posterior margin of eye. Antennomere 3 distinctly longer than 2, 4–5 shorter than 3, 6–7 indistinctly shorter than 5, 8 shorter than 7, 9–10 distinctly shorter than 8.

Pronotum 1.5 times as broad as long, 1.4 times as broad as head, widest slightly above middle, slightly more narrowed posteriad than anteriad; anterior angels slightly protruded anteriad; apical margin widely rounded, slightly less than length of straight posterior margin; lateral portions widely impressed, each with large and deep depression in middle.

Elytra short, broader than long and strongly broadened posteriad, 1.8 times as long as pronotum, reaching apical margin of abdominal tergite III; surface of each elytron with four indistinct longitudinal elevations between punctures in middle.

Metatarsi more than twice as long as metatibia.

Abdominal tergite V with indistinct two small oval tomentose spots in middle.

Male. Inner margin of middle part of protibia with subtriangular elevation. Posterior margin of abdominal tergite VIII slightly and sternite VIII relatively deeply sinuate. Aedeagus moderately narrow, elongate, from widest basal portion gradually narrowed toward widely rounded apex; parameres distinctly longer than apex of median lobe, each with broadened apical lobes and two short apical setae; internal sac wide and long; apical parts of dorsal lobes with two slightly sclerotized elongate structures ( Fig. 10 View FIGURES 10–15 ). Lateral aspect of the aedeagus as in Fig. 11 View FIGURES 10–15 .

Female unknown.

Comparative notes. Based on the general shape of the body and shortened antennomeres 9–10, O. scheerpeltzi is similar to the Chinese O. sinense Scheerpeltz, 1929 , from which it can be distinguished by the shorter body (body of O. sinense : 4.50 mm), paler coloration, the shape of the pronotum widest slightly above middle, shorter elytra, narrower and more elongate aedeagus and slightly broader apical lobes of the parameres (see Fig. 10 View FIGURES 10–15 and Fig. 16a View FIGURES 16–18 in Scheerpeltz (1929)).

Distribution. Olophrum scheerpeltzi is known only from the type locality in Fujian, China.

Bionomics. Detailed bionomical data are unknown.