Metrocoris coxalis group

Diagnosis. The venter of body black, except the mesosternum mediolaterally with a yellowish-brown mark on each side directed anteriorly and posteriorly (Figs. 2C, 3B), the posterior region of the abdominal venter yellowish-brown (Figs. 2C, F, H, 3B, G, I); the male fore femur is slender, the flexor region almost medially with a small notch and mostly with a few setae basally (see Tran and Polhemus 2017, Fig. 100); the hind coxa or both the hind coxa and the hind trochanter with a slender process or the hind trochanter is slightly produced in female (Figs. 2B, I, 3C, J; Chen & Nieser 1993 b, Fig. 204; Tran & Polhemus 2017, Fig. 106), the flexor region of the hind femur basally or sub-basally usually with a fringe of setae in the female (Figs. 2I, 3J; Tran & Polhemus 2017, Fig. 106); the proctiger of the male is sub-ovate, mediolaterally widened (Figs. 2L, 3L); the paramere is falciform, the dorsal region nearly middle is slightly raised usually with some setae (Figs. 2N, 3N; Chen & Nieser 1993 b, Figs. 193, 194; Tran & Polhemus 2017, Figs. 101, 102); the proximal region of the dorsal sclerite with a reflex angled process, the ventral sclerite of endosoma is long, surpassing well beyond the level of the lateral sclerite in the lateral view (Fig. 2O, Chen & Nieser 1993 b, Fig. 200, Tran & Polhemus 2017, Fig. 104); the sternum VII of the female is constricted laterally and is completely covering the genital segments (Figs. 2H, 3I; Tran & Polhemus 2017, Fig. 107).

Included species. M. coxalis Chen & Nieser, M. issaci sp. nov., M. josephi sp. nov. and M. nigriventris Tran & Polhemus.

Distribution. India (NE), Myanmar, Vietnam.