Three new species of Metrocoris Mayr, 1865 (Heteroptera: Gerridae) from India and establishment of species groups Author Jehamalar, E. Eyarin Zoological Survey of India, New Alipore, Kolkata- 700053, West Bengal, India Author Dash, Swetapadma 0000-0002-0723-549X Zoological Survey of India, New Alipore, Kolkata- 700053, West Bengal, India & oasisnainital @ yahoo. co. in; http: // orcid. org / 0000 - 0002 - 0723 - 549 X oasisnainital@yahoo.co.in text Zootaxa 2021 2021-12-20 5082 4 341 356 journal article 2898 10.11646/zootaxa.5082.4.3 41d2a753-a2e7-48cc-bcfa-dc33f2ef1af7 1175-5326 5792709 65FCF485-9671-4F37-86D3-B1ED3D7F51D0 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 .