Eotrechus terrestris Andersen, 1982

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 terrestris Andersen, 1982

Fig. 26

Eotrechus terrestris Andersen, 1982: 15, figs 17, 23 (type locality: Sikkim, India).

Eotrechus terrestris : Andersen (1998: 6) (checklist); Tran and Zettel (2006: 49-50, figs 21-24) (record Nepal, descriptive notes).

Material examined.

Paratypes: India (?) • 1 ♂, 1 ♀ (apterous); "Taken from wet path in copula, 4600ft., 9.VII.18 / H. Stevens. Brit. Mus. 1922-307"; BMNH .

Other material.

Nepal • 2 ♂♂ (apterous); Lanqtanq National Park , Lanqtanq valley, Rimche env.; 13 Oct. 2002; P. Šrámek leg.; NHMW .

Diagnosis.

Size: apterous males, length 7.30-7.60, width 2.30-2.34; apterous female, length 8.20, width 2.70. Mesosternum ca. 2.8 × length of metasternum. Male: fore femur moderately incrassate, length about 5.1 × width, simple, flexor side without stiff setae; abdomen moderately long, sterna VI and VII medially grooved (more broadly grooved in sternum VII). Male genitalia: segment VIII relatively large; pygophore with two long, slender posterolateral projections, apices of projections pointed; proctiger with narrowly rounded apex; proctiger and projections of pygophore slanting dorsad. Female: similar to E. longipes .

Remarks.

See Remarks under E. anderseni sp. nov.

Distribution.

India: West Bengal, Sikkim ( Andersen 1982); Nepal ( Tran and Zettel 2006) (Fig. 26 ).

Figures

Figure 26. Distribution records of species of Eotrechus. Circles represent E. longipes species group; squares represent E. petraeus species group; stars represent E. vietnamensis species group.