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Brief Report

First Discovery of Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae), an Invasive Hornet in the Feces of the Yellow-Throated Marten in South Korea

1
Division of Forest Biodiversity, Korea National Arboretum, Pocheon 11186, Korea
2
School of Applied Biosciences, College of Agriculture & Life Sciences, Kyungpook National University, Daegu 41566, Korea
3
Institute of Agricultural Science and Technology, Kyungpook National University, Daegu 41566, Korea
*
Author to whom correspondence should be addressed.
Insects 2021, 12(4), 296; https://doi.org/10.3390/insects12040296
Submission received: 2 March 2021 / Revised: 18 March 2021 / Accepted: 26 March 2021 / Published: 29 March 2021
(This article belongs to the Section Insect Ecology, Diversity and Conservation)

Simple Summary

Invasive species can have serious economic and ecological effects. Biological controls are a way to reduce damage from invasive species. We collected 22 fecal samples from yellow-throated martens, which often prey on wasps in late autumn, from Mt. Onggangsan in Cheongdo, South Korea, to confirm the predation of the invasive alien hornet, Vespa velutina nigrithorax. Hornet debris was found in three samples, along with two native wasp species. The hornets were identified as one queen, four males, one female, and one individual whose caste was unclear. Therefore, because reproductive individuals were preyed upon, it is likely that yellow-throated marten predation could potentially be used for the biological control of invasive alien hornets.

Abstract

Yellow-throated martens (YTMs) are omnivores that often prey on wasps in late autumn in Korea. However, to the best of our knowledge, predation of the invasive alien species Vespa velutina nigrithorax (VVN) has not previously been investigated. In this study, YTM feces were collected and analyzed from Mt. Onggangsan, Sinwon-ri, Cheongdo, South Korea, where VVN density was high and YTMs were active. Surveys were conducted three times between October and December 2019, during which a total of 22 samples were collected. Debris from VVN was found in three samples, along with evidence of two indigenous wasps, Vespa crabro and Vespula koreensis. The VVN remains were identified as one queen, four males, one female, and one individual whose caste was unclear. Martens prey on wasps, owing to a sudden decrease in plant food sources from late autumn to early winter, mostly eating males and new queens attempting to mate. If VVN reproduction is prevented or disturbed by YTM predation, there may be potential biological control effects in areas with high VVN density. Further studies should be conducted to verify whether there is a practical biological control effect.
Keywords: invasive alien species; feeding behavior; hornet; mammal; Martes flavigula; predator; wasp invasive alien species; feeding behavior; hornet; mammal; Martes flavigula; predator; wasp

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MDPI and ACS Style

Kim, C.-J.; Choi, M.B. First Discovery of Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae), an Invasive Hornet in the Feces of the Yellow-Throated Marten in South Korea. Insects 2021, 12, 296. https://doi.org/10.3390/insects12040296

AMA Style

Kim C-J, Choi MB. First Discovery of Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae), an Invasive Hornet in the Feces of the Yellow-Throated Marten in South Korea. Insects. 2021; 12(4):296. https://doi.org/10.3390/insects12040296

Chicago/Turabian Style

Kim, Chang-Jun, and Moon Bo Choi. 2021. "First Discovery of Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae), an Invasive Hornet in the Feces of the Yellow-Throated Marten in South Korea" Insects 12, no. 4: 296. https://doi.org/10.3390/insects12040296

APA Style

Kim, C.-J., & Choi, M. B. (2021). First Discovery of Vespa velutina nigrithorax du Buysson (Hymenoptera: Vespidae), an Invasive Hornet in the Feces of the Yellow-Throated Marten in South Korea. Insects, 12(4), 296. https://doi.org/10.3390/insects12040296

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