Locastra muscosalis (Walker, 1866): 1268 (Figs 1, 7) Type locality: North China = Locastra cristalis Hampson, 1893: 42 Type locality: Wattegama, Ceylon [Sri Lanka] = Taurica sikkima Moore, 1888: 202 Type locality: Darjeeling [India] Diagnosis: Locastra muscosalis (Fig. 1) and L. viridis (Fig. 2) are two very similar species, but the former is distinct from L. viridis in the antemedial dark line bent only on vein R 3 and a parallel white line running along with, whereas in L. viridis, the antemedial line is bent on vein R 3 and also on M 3, and the white parallel line is absent. Furthermore, L. muscosalis and L. viridis are distinct in the male genitalia: in L. muscosalis (Fig. 7), the uncus is inverted subtrapezoidal, and the juxta is of a concave U-shape at the posterior margin, whereas in L. viridis (Fig. 8) the uncus is sub-rectangular, and the juxta is concave V-shaped on the posterior margin. Material examined: India, Mizoram, Mamit, 1 ♂, 07.ix.2016, 2 ♂, 08.ix.2016, 1 ♂, 1 ♀, 09.ix.2016, Kawarthah, 2 ♀, 10.ix.2016, Kolasib, 2 ♂, 16.ix.2016, Vairengte, 1 ♂, 18.ix.2016; Meghalaya, Umtasor, 6 ♂, 15.ix.2014, 6 ♂, 16.ix.2014, R. Ranjan leg. (NZCZSI) Distribution: Indian records: Sikhim [Sikkim], Nagas [Nagaland], N[orth] E[ast] India (Hampson 1896a, b), Darjeeling (Sevastopulo 1948), Andaman Islands (South Andaman) (Chandra & Rajan 2004), India (Rong & Li 2017), Sikkim, West Bengal, Arunachal Pradesh, Assam, Mizoram, Nagaland, Tamil Nadu, Andaman and Nicobar Island (Chandra et al. 2019), Meghalaya (present study). Global records: N[orth] China, Ceylon [Sri Lanka], Rangoon, Burma [Myanmar] (Hampson 1896a, b), Nepal (Yamanaka 1998), Korea (Bae et al. 2008), China, Japan, Sri Lanka (Rong & Li 2017), Malaysia, Indonesia (Chandra et al. 2019).

Published as part of Ranjan, Rahul, Singh, Navneet & Kirti, Jagbir Singh, 2022, Review of the genus Locastra Walker (Lepidoptera: Pyralidae: Epipaschiinae) from India, with a new species and a new species record, pp. 71-78 in Zootaxa 5169 (1) on page 73, DOI: 10.11646/zootaxa.5169.1.6, http://zenodo.org/record/6911333