Two new species of the genus Stericta Lederer (Lepidoptera, Pyralidae, Epipaschiinae) from Laos and Cambodia.

Two new species, Stericta jaeshini Kim & Bae, sp. nov. and S. atroaurantiaca Kim & Bae, sp. nov. are described from Southeast Asia. About 50 species of the genus Stericta have been recorded from Southeast Asia, but it has not been recorded to occur in Laos and Cambodia previously. We record the presence of this genus in these two countries for the first time in this study. Illustrations of adults and genitalia of examined species are provided. v.

Status of Patania harutai (Inoue, 1955) in Korea, with a new species (Lepidoptera, Crambidae, Spilomelinae), and clarification of their host plants.

The genus Patania Moore, 1888 (Lepidoptera, Crambidae) has been recorded in Korea with nine species: P. balteata (Fabricius, 1798), P. brevipennis (Inoue, 1982), P. chlorophanta (Butler, 1878), P. deficiens (Moore, 1887), P. expictalis (Christoph, 1881), P. punctimarginalis (Hampson, 1896), P. ruralis (Scopoli, 1763), P. sabinusalis (Walker, 1859) and P. harutai (Inoue, 1955). In this study, we describe a new species P. gorosoe Lee, Heo & Bae, sp. nov. which very similar with P. harutai. The host plants of above two species are clarificated. Illustrations of adults and genitalia of P. harutai and P. gorosoe sp. nov. are provided. A checklist of the genus Patania in Korea is also provided. [Zoobank registrations: Patania gorosoe Lee, Heo & Bae, new species: LSID: urn:lsid:zoobank.org:act:3FFD8DA8-8EA1-423A-84A9-BC5804E18EA0].

The monotypic genus Nephelobotys Munroe & Mutuura, 1970 (Lepidoptera, Crambidae, Pyraustinae): two new species from Laos and a newly combined species from Korea.

The genus Nephelobotys is newly recorded from Laos and two new species Nephelobotys denticulatus sp. nov. and Nephelobotys forcipatus sp. nov. are newly described. Nephelobotys evenoralis (Walker, 1859) comb. nov., is also newly reported from Korea. Illustrations of adults and genitalia are provided. The differences with related genus Torulisquama Zhang & Li, 2010 are briefly discussed.

A new species of Olethreutes Hübner, 1822 (Lepidoptera, Tortricidae, Olethreutinae) from Korea.

One new species of Olethreutes Hübner, 1822 species, O. oculata Kim, Byun & Bae, sp. nov., is described, and two related species, O. captiosana (Falkovitsh, 1960) and O. subtilana (Falkovitsh, 1959), are redescribed from Korea. Color figures of adults and images of genitalia are provided. [Zoobank registrations: Olethreutes oculata Kim, Byun & Bae, new species: LSID: urn:lsid:zoobank.org:act:814E618C-C13D-4FAC-A669-C3AD8673227F].

New record of Agrisius Walker (Lepidoptera, Erebidae, Arctiinae) from Cambodia, with description of a new species.

The genus Agrisius Walker (1855) is reported for the first time in Cambodia, for the new species Agrisius nigripunctata sp. n. Additionally, Agrisius fuliginosus is reported for the first time in Laos, Myanmar, China, Thailand and Vietnam. Illustrations of the adult and genitalia of Agrisius nigripunctata sp. n. and A. fuliginosus Moore are presented.

A new species of Palpita Hübner from Laos (Lepidoptera, Crambidae, Spilomelinae).

A new species of the genus Palpita Hübner is described from Laos, which is very close to P. inusitata (Butler, 1879) found in Japan.

Two new species and four new records of Diduga (Lepidoptera, Erebidae, Arctiinae) from Laos.

Two new species, Diduga hastata sp. nov. and Diduga mucronata sp. nov. are described from Laos along with four newly recorded species, D. annulata Hampson, 1900, D. amoenusa Bucsek, 2012, D. allodubatolovi Bayarsaikhan, Li Bae, 2020 and D. luteogibbosa Bayarsaikhan, Li Bae, 2020. Illustrations of adults and genitalia of examined species from Laos are provided.

Two new species and a new record of the genus Meganola Dyar, 1898 (Lepidoptera, Nolidae, Nolinae) from Laos.

The paper contains the description of two new Meganola Dyar, 1898 species (M. canaliculata Cha Bae, sp. n. and M. phuana Cha Bae, sp. n.) and a new record of M. tetrodon (de Joannis, 1928) from Laos. Color figures of adults and genitalia of the examined species are provided.

New record of the genus Leucinodella Strand from Laos (Lepidoptera, Crambidae, Spilomelinae), with description of a new species.

The genus Leucinodella Strand (1918) is reported from Laos for the first time, with a new species, Leucinodella banthaensis n. sp., and one newly recorded species, Leucinodella leucostola (Hampson, 1896). A key to Leucinodella species in Laos is provided, with illustrations of adults and genitalia.

Exoasota pursatensis Ko amp; Bae, new genus and species of the Spilomelinae (Lepidoptera: Pyraloidea: Crambidae) from Indochina.

Exoasota pursatensis Ko Bae, gen. nov. sp. nov. (Lepidoptera: Pyraloidea: Crambidae) is described from Indochina (Cambodia, Thailand, Vietnam, Myanmar). The new genus Exoasota is assigned to Spilomelinae on the basis of the morphological evidence, including the tympanal organs and genitalia. In addition, we provide comparisons with genera Epiparbattia Caradja (Crambidae, Pyraustinae) and Asota Hübner (Erebidae, Aganainae). Illustrations of adults, genitalia, and tympanal characters are provided.