Host-plant range expansion to Gymnocladus dioica by an introduced seed predatory beetle Megabruchidius dorsalis

Zoltán György, Midori Tuda

研究成果: ジャーナルへの寄稿学術誌査読

6 被引用数 (Scopus)

抄録

A seed predatory beetle, Megabruchidius dorsalis (Coleoptera: Chrysomelidae: Bruchinae) native to the Oriental region was first found to utilize a North American Gymnocladus dioica (Fabaceae: Caesalpinioideae) in its introduced area in Central Europe. A maximum of three adult exit holes were found on a single seed. Host-plants of the bruchine beetle have been reviewed from its native and introduced regions, including a host record of Gleditsia fera from Taiwan. Our review indicated the beetle's strict oligophagy on caesalpinioid Gleditsia species. On the contrary, our finding suggests that the beetle's host-range extends to the caesalpinioid Umtiza clade. On the plant side, this study provides a counterexample to the enemy release hypothesis that predicts fewer predators/parasites in an organism's range of introduction than in their native range; Gy. dioica is attacked by the seed predator in its introduced region, whereas in its native range it is free from seed predators.

本文言語英語
ページ(範囲)28-32
ページ数5
ジャーナルEntomological Science
23
1
DOI
出版ステータス出版済み - 3月 1 2020

!!!All Science Journal Classification (ASJC) codes

  • 生態、進化、行動および分類学
  • 昆虫科学

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