Ephoron debaratana sp. nov., A New Species of Burrowing Mayfly (Ephemeroptera: Polymitarcyidae) from Thailand

Abstract: A new species of burrowing mayfly, Ephoron debaratanasp. nov., is described based on the larval stage. The morphological characteristics distinguished the new speciesfrom other known Ephoron species are the followings: 1) pigmented lateral tracheal branches on the abdominal gills, 2) number of tubercles on the tusk, and 3) triangular frontal process. The morphological evidence presented in this study is strongly supported by cytochrome c oxidase subunit I (COI) gene data. This new species was found in a headwater stream in Kanchanaburi Province, Thailand. The habitat information and a comparison to the known species of Thai larvae are also presented.

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เอกสารอ้างอิง: Kwanboon, S., C. Auychinda, C. Suttinun  and B. Boonsoong. 2025. Ephoron debaratana sp. nov., A New Species of Burrowing Mayfly (Ephemeroptera: Polymitarcyidae) from Thailand. Tropical Natural History. 8: 227-237.