Research Paper

Discovery of a new species and a new record of the tribe Enarmoniini (Lepidoptera: Tortricidae) from India

Sudipa Das, Santhosh Naik, Pathour Rajendra Shashank

Published on: 10 July 2026

Page: 581 - 591

DOI: 10.6165/tai.2026.71.581

Abstract

The present study describes Eucosmogastra shyama sp. nov. as new to science and reports Tetramoera flavescens Kuznetzov, 1988 as a new record for India under the tribe Enarmoniini Diakonoff, 1953 (Lepidoptera: Tortricidae). Diagnostic characters of the adults and genitalia are provided along with illustrations and compared with the congeneric species. The description of new species is supported by DNA barcoding of the mitochondrial cytochrome oxidase I (COI) gene. Phylogenetic relationships among Eucosmogastra species were inferred using a Neighbor-joining analyses, and species delimitation was further supported by pairwise genetic distance estimates. In addition, updated checklists of the globally recorded species of Eucosmogastra Diakonoff, 1975 and Tetramoera Diakonoff, 1968 are provided, including their type localities, holotype information, synonyms, and global distributional records.

Keyword: DNA barcoding, Eucosmogastra shyama, microlepidoptera, micromoths, morphology, Tetramoera flavescens

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