Review of the millipede genus Orthomorpha Bollman, 1893 (Diplopoda, Polydesmida, Paradoxosomatidae) in Cambodia, with new records and descriptions of three new species

Authors: Likhitrakarn, Natdanai DOI: 10.3897/zookeys.1251.158776 Published: Jan. 1, 2025 Source: ZooKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Asiomorpha · Topics: Spider Taxonomy and Behavior Studies, Subterranean biodiversity and taxonomy, Lepidoptera: Biology and Taxonomy

The Southeast Asian millipede genus Orthomorpha Bollman, 1893 currently encompasses 59 accepted species, including three newly described from Cambodia: Orthomorpha tergoaurantia Likhitrakarn, sp. nov., Orthomorpha efefai Likhitrakarn, sp. nov., and Orthomorpha battambangiensis Likhitrakarn, sp. nov. The new species are described based on distinctive morphological traits, with particular emphasis on gonopodal features. Species descriptions are accompanied by detailed illustrations and scanning electron micrographs (SEM) of the gonopods. An updated identification key to the known Orthomorpha species from Cambodia is also provided.

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