Maladera marginella ( Hope, 1831 )

Bhunia, Debika, Gupta, Devanshu, Sarkar, Subhankar Kumar & Ahrens, Dirk, 2023, A new species and new records of Sericini chafers from the Lower Gangetic Plains in India (Coleoptera: Scarabaeidae: Sericinae), Zootaxa 5353 (4), pp. 351-371 : 359

Maladera marginella ( Hope, 1831)

( Figs 50–53 , 99 )

Serica marginella Hope, 1831: 24 ; Brenske 1896: 152.

Omaloplia marginella: Blanchard 1850: 78 .

Autoserica marginella: Brenske 1898: 307 .

Maladera marginella: Ahrens 2004b: 253, 2006a: 414 ; Ahrens & Fabrizi 2009b: 270, 2016: 201; Shrestha et al. 2012: 381.

Microserica semirufa Brenske, 1898: 320 ; synonymized by Ahrens 2004b: 253.

Material examined. 1 ♂ “ India: West Bengal, Tarekaswar, 19.vii.1964, leg. D. N. Nandi ” ( NZCI) , 1 ♂ “ India, Bihar, West Champaran, 04.x.2016, leg. R.S. Mridha ” ( NZCI) .

Distribution. India: Bihar, West Bengal, Meghalaya, and Sikkim ( Ahrens & Fabrizi 2016; Chandra et al. 2021; this paper); Nepal (Ahrens 2004).

Remarks. This is the first state records of this species for Bihar and West Bengal.

Figures

FIGURE 99. (A–B). A. Gangetic plains biogeographic zone of India; B. Map of Lower Gangetic plains showing sample localities of the species: M. drescheri, M. freyi, M. iridescens, M. kaimurensis, M. lugubris, M. marginella.

FIGURES 50–61. (50–53). Maladera marginella (Hope, 1831) (Tarekaswar, West Bengal); (54–57). Maladera proxima (Burmeister, 1855) (Mahananda Wildlife Sanctuary, West Bengal); (58–61). Maladera reyaensis Bhunia, Gupta, Chandra & Ahrens, 2021 (West Champaran, Bihar); (50, 54, 58) Aedeagus in lateral view (left); (51, 55, 59) Aedeagus in dorsal view; (52, 56, 60) Aedeagus in lateral view (right); (53, 57, 61) Habitus, dorsal view. Scale 0.5 mm. Habitus not to scale.