Eotrechus pingae Andersen, 1998

Tran, Anh Duc, Zettel, Herbert & Sites, Robert W., 2023, Revision of the genus Eotrechus Kirkaldy (Hemiptera, Heteroptera, Gerridae), with descriptions of six new species, Deutsche Entomologische Zeitschrift 70 (1), pp. 69-111 : 69

Eotrechus pingae Andersen, 1998

Figs 14 , 25

Eotrechus pingae Andersen, 1998: 2-3, figs 1-5 (type locality: Guangdong, China).

Material examined.

Holotype: China • ♂ (apterous); "Kwangtung, S. China, Loh Fau Shan, Big Pool, 5 Aug. 1933, Ernest R. Tinkham "; BMNH.

Diagnosis.

Size: apterous male, length (excluding genitalia) 7.50, width 2.45. Male: mesosternum ca. 3.0 × length of metasternum; fore femur incrassate, with a large basal tubercle bearing a patch of black, minute setae (Fig. 14A ). Male genitalia (Fig. 14B-D ): abdominal segment VIII large, on ventral view, longer than sternum VII, posterior margin broadly rounded; pygophore laterally with rounded tubercle bearing long setae, posteriorly with a broad, subrectangular, plate-like projection; paramere small, ovoid, with soft setae at apex; proctiger trilobed, lateral lobes with long, brownish setae, posteroventral surface without patch of brown, brush-like setae. Female unknown.

Remarks.

See Remarks for E. fansipan .

Distribution.

China: Guangdong ( Andersen 1998) (Fig. 25 ).

Figures

Figure 14. Eotrechus pingae, holotype. A. Right fore leg; B, C. Pygophore, dorsal and lateral views; D. Proctiger, dorsal view (B-D. same scale).

Figure 25. Distribution records of species of Eotrechus. Squares represent E. kalidasa species group; circles represent E. pingae species group; triangles represent species unassigned to a group.