Review of Melolontha Fabricius, 1775 (Coleoptera: Scarabaeidae: Melolonthinae) from India with the description of two new species Author Gupta, Devanshu Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, West Bengal, India. Author Keith, Denis 120 rue Gabriel Péri, F- 28000 Chartres, France. Author Bhunia, Debika Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, West Bengal, India. Author Das, Priyanka Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, West Bengal, India. Author Ghosh, Joyjit Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, West Bengal, India. Author Chandra, Kailash 0000-0001-9076-5442 Former Director, Zoological Survey of India, M-Block, New Alipore, Kolkata- 700053, West Bengal, India. kailash 611 @ rediffmail. com; https: // orcid. org / 0000 - 0001 - 9076 - 5442 kailash611@rediffmail.com text Zootaxa 2023 2023-04-05 5263 2 191 216 http://dx.doi.org/10.11646/zootaxa.5263.2.2 journal article 10.11646/zootaxa.5263.2.2 1175-5326 7800978 B07051F2-A15B-49EC-9A2F-91B9420FEA4A Key to the species of phupanensis species group 1. Protibiae unidentate ( Fig. 39 ); serration on lateral margins of pronotum poorly developed ( Fig. 35 ); mesometasternal process weakly produced beyond mesocoxae ( Fig. 38 ); lobes of parameres nearly rounded at apex not sharply pointed at ends in dorsal view ( Fig. 44 ).......................... .. M . lachungensis Gupta, Keith, Bhunia, Das, Ghosh & Chandra , new species – Protibiae bidentate ( Figs. 29 , 69 ); serration on lateral margins of pronotum distinctly developed ( Figs. 27 , 65 ); mesometasternal process produced beyond mesocoxae ( Figs. 30 , 67 ); lobes of parameres nearly straight at apex, slightly pointed at ends in dorsal view ( Figs. 43 , 70 ).................................................................................... 2 2. Pronotal surface sparsely setose ( Fig. 65 ); antennal club more than 3.5 times longer than of basal segments; mesometasternal process produced beyond mesocoxae, surface with long and dense hairs posteriorly ( Fig. 67 ); ventroapical process of parameres indistinct without protuberance on top of right paramere in lateral view ( Fig. 71 ); parameres as in Figs 70, 71 and Keith (2008 , figs. 15–16)................................................................... M . phupanensis Keith, 2008 – Pronotal surface densely and uniformly setose ( Fig. 27 ); antennal club more than 3.6 times longer than of basal segments; mesometasternal process produced beyond mesocoxae, surface smooth with few hairs ( Fig. 30 ); ventroapical process of parameres distinctly elongate and gradually acuminate apically with a small, crest - like protuberance on top of right paramere in lateral view ( Fig. 55 ); parameres as in Figs. 43 , 55............................................................................................... M . arunachalensis Gupta, Keith, Bhunia, Das, Ghosh & Chandra, new species