Published August 1, 2024 | Version v1
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Distribution and systematics of the cosmopolitan Amynthas carnosus complex (Crassiclitellata, Megascolecidae) from eastern Asia

  • 1. Northeast Normal University, Changchun, China|Langfang Normal University, Langfang, China
  • 2. Langfang Normal University, Langfang, China
  • 3. Henan Province Tobacco Company, Luoyang, China
  • 4. Hunan Province Tobacco Company, Changsha, China
  • 5. Chinese Research Academy of Environmental Sciences, Beijing, China
  • 6. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, China|Langfang Normal University, Langfang, China
  • 7. Northeast Normal University, Changchun, China|Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, China
  • 8. Mindanao State University at Naawan, Naawan, Philippines

Description

Pheretimoid earthworms, Amynthas carnosus, were collected from Northeast and North China. An update on the distribution and systematics of the A. carnosus complex in eastern Asia using both morphological and molecular data is provided. Three subspecies, A. carnosus carnosus, A. carnosus naribunji, and A. carnosus roki, are confirmed. Comparisons of morphological characters between the subspecies of A. carnosus are provided. Our results support the subspecies assignment with an intraspecific K2P genetic distance of not greater than 10% using the mitochondrial cytochrome c oxidase subunit I (COI). In addition, a re-description of the morphology of A. carnosus naribunji is presented here.

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