Published May 11, 2023 | Version v1
Journal article Open

New record and dietary ecology of a poorly known frog, Amolops shihaitaoi Wang, Li, Du, Hou & Yu, 2022 (Amphibia, Anura, Ranidae), from Ha Giang Province, Vietnam

  • 1. Pakse Teacher Training College, 13 South Road, Champasak, Laos
  • 2. Thai Nguyen University of Education, Thai Nguyen University, Thai Nguyen, Vietnam
  • 3. Institute of Genome Research, Vietnam Academy of Science and Technology, Hanoi, Vietnam
  • 4. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi, Vietnam|Graduate University of Science and Technology, VAST, Hanoi, Vietnam
  • 5. Faculty of Environmental Sciences, University of Science, Vietnam National University, Ha Noi, 334 Nguyen Trai Road, Hanoi, Vietnam|The Center for Biodiversity & Environment Research, Tay Bac University, Son La City, Son La Province, Son La, Vietnam

Description

The Hekou Torrent Frog (Amolops shihaitaoi) was recently discovered from southern China and northern Vietnam in 2022. The knowledge about natural history and feeding ecology of this species is virtually lacking.

Based on our recent fieldwork in northern Vietnam, we report a new population of A. shihaitaoi from Ha Giang Province. In this study, we provide novel data on the diet of A. shihaitaoi, based on stomach content analyses of 36 individuals (17 males and 19 females). A total of 36 prey categories with 529 items, comprising 515 items of invertebrates and 14 unidentified items, were found in the stomachs of A. shihaitaoi. The dominant prey items of the species were Hymenoptera (Formicidae), Orthoptera (Acrididae), Lepidoptera (Lepidoptera other), Mantodea (Mantidae) and Araneae. The importance index (Ix) of prey categories ranged from 7.1% to 11.5%. Hymenoptera (Formicidae) had the highest frequency of prey items, found in 36 stomachs.

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