Eumorphus wegneri Strohecker, 1956

Yoshitomi, Hiroyuki & Sogoh, Koichi, 2019, Eumorphusmarginatus group in Sulawesi, Indonesia (Coleoptera, Endomychidae), ZooKeys 820, pp. 139-149 : 142-144

Eumorphus wegneri Strohecker, 1956 Figs 1C; 3C; 4C; 5C; 6 E–H

Eumorphus wegneri Strohecker, 1956: 245; Strohecker 1968: 84, figs. 10, 64 (short description and figures of habitus and male genitalia).

Material examined.

1 Male (EUMJ), "W. Sulawesi: Mamasa Kampung Busau, Sulbar, Indonesia, 21.XI.2012, Kiyoshi Ando leg."

Diagnosis.

This species is distinct in having cordiform elytra and small elytral spots distant from suture.

Description.

Male.

Coloration of body black, with blueish luster; elytral spots yellowish orange.

Antennae long, reaching ca. basal 1/4 of elytra; antennal club wide.

Pronotum (Fig. 4C) glossy, narrowly depressed/concave in lateral parts; lateral margins gently and tapered anteriorly; lateral sulci short, reaching ca. basal 1/4 of PLM; anterior angles ca. 60°; posterior angles sharply pointed, projecting postero- laterally; PLM/PLS 0.83; PWP/PWA 2.00; PWP/PLM 2.00; PWP/PLS 1.66. Elytra (Fig. 1C) cordiform, widest at middle; lateral flattened margins wide; elytral spots two pairs, small and oval, each distant from suture twice its diameter; anterior ones situated in anterior 1/4 of elytra; posterior ones situated in posterior 1/4 of elytra; elytra along suture (Fig. 3C) distinctly elevated in mesal part; EL/EW 1.03; EL/PLM 4.62; EW/PWP 2.25; TL/EW 1.25. Fore tibiae (Fig. 5C) stout; apical carinae distinct, covered with yellowish brown pubescence in inner surface; fore tibial tooth long and stout, situated in apical 1/4. Metatibial apices prolonged in form of bifid projection; outer angles longer than inner ones.

Aedeagus (Fig. 6 E–H) 5.2 mm long, relatively slender; median lobe gently curved ventrally, slightly expanded ventrally in median part; apical branch short, pointed at apex; subapical branch long, winding, curved apically; tegmen movable, with short tegminal strut; endophallus consisting of bifid long right membranous lobe and long left membranous lobe, with rather sclerotized thumb-like projection in dorsal part.

Female. Not available for examination.

Measurements. Male (n = 1). TL 19.10 mm; PW 6.80 mm; PW 3.40 mm; PL 3.40 mm; PL 4.10 mm; EL 15.70 mm; EW 15.30 mm.

Distribution.

Indonesia (Sulawesi: south and west).