Metrocoris compar (White, 1883)

Jehamalar, E. Eyarin & Dash, Swetapadma, 2021, Three new species of Metrocoris Mayr, 1865 (Heteroptera: Gerridae) from India and establishment of species groups, Zootaxa 5082 (4), pp. 341-356 : 342

Metrocoris compar group

Diagnosis: The venter of the body is black, except the mesosternum mediolaterally with a yellowish-brown mark directed anteriorly and posteriorly ( Fig. 1C ), the posterior region of the abdominal venter yellowish-brown ( Figs. 1C, F ); the male fore femur is slender, the flexor region almost medially with a small notch and mostly with a few setae basally; the hind coxa and the hind trochanter of the female sometimes with a setal fringe ( Fig. 1I ), the flexor region of the hind femur of the female basally or sub-basally rarely with an indistinct setal fringe; the proctiger of the male is elongate, widened before the middle ( Fig. 1L ); the paramere is falciform, the apex is mostly modified; the proximal region of the dorsal sclerite of the endosoma with a reflex angled process, the ventral sclerite of the endosoma not surpassing the level of the lateral sclerite in lateral view ( Fig. 1R ); the sternum VII of the female is constricted laterally and is completely covering the genital segments ( Figs. 1H, I ).

Included species: Metrocoris compar , M. darjeelingensis Basu, Polhemus & Subramanian, 2016 , M. hirtus Chen & Nieser, 1993 , M. pardus Zettel, 2011 , M. sapa Tran & Polhemus, 2017 and M. schillhammeri Chen, 1995 .

Distribution. Bhutan, China (SW), India (N, NE), Malaysia, Vietnam.

Figures

FIGURES 1. Metrocoris compar, apterous form: A, male, dorsal view; B, female, dorsal view; C, male, ventral view; D, male, lateral view; E, male, abdominal tip, dorsal view; F, male, abdominal tip, ventral view; G, male, abdomen, lateral view; H, female, abdomen, ventral view; I, female, abdominal tip and coxa and trochanter of hind leg, dorsal view; J, male, abdomen, dorsal view; K, male, genital capsule, lateral view; L, male, proctiger, dorsal view; M–O, male, paramere tip, in different angles; P, male, pygophore, dorsal view; Q, male, paramere (tip broken), lateral view; R, male, endosoma, lateral view.