Rishetia tenuispira (Benson, 1836)

Gurumayum, S. D., 2021, Mollusca fauna of the campus of Arunachal Pradesh Regional Centre, Zoological Survey of India, Itanagar Wildlife Sanctuary, Arunachal Pradesh, along with two new records, Records of the Zoological Survey of India 121 (2), pp. 225-229 : 226

4. Rishetia tenuispira (Benson, 1836)

1836. Achalina tenuispira Benson, J.Asial. Soc. Beng., 5: 353.

1909. Glessula tenuispira: Pilsbry, Mall. Conch., (2)20: 88, pI. 9, figs. 1, 4.

2014. Rishetia tenuispira: Raheem, Taylor, Ablett, Preece, Aravind, Naggs. Tropical Natural History. Supplement 4: I-XIV, 1-244.

Material examined: ZSI/IV/APRC/M-268 (5 exs),

16.xii.2019; ZSI/IV/APRC/M-275 (2 exs), 05.vii. 2029;ZSI/IV/APRC/M-286 (2 exs), 02.v.2020.

Distribution: Arunachal Pradesh, Maharashtra, Meghalaya, Mizoram, Sikkim, West Bengal. Elsewhere: Bangladesh, Myanmar.

Remarks: The species is found abundantly inside the campus; though there is no report of its invasive nature, these species were observed under the stone and decaying vegetation.