A novel host shift and invaded range of a seed predator, Acanthoscelides macrophthalmus (Coleoptera: Chrysomelidae: Bruchinae), of an invasive weed, Leucaena leucocephala

Midori Tuda, Li Hsin Wu, Yoichi Tateishi, Chawalit Niyomdham, Sawai Buranapanichpan, Katsura Morimoto, Wen Jer Wu, Chiao Ping Wang, Zong Qi Chen, Hong Ye Zhu, Ying Cui Zhang, Kadarkarai Murugan, Liang Yih Chou, Clarence D. Johnson

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

An endophagous seed predator, Acanthoscelides macrophthalmus (Coleoptera: Chrysomelidae: Bruchinae), utilizes Neotropical Leucaena (Fabaceae: Mimosoideae). One of its hosts, Leucaena leucocephala, is a fast-growing nitrogen-fixing tree that serves as a multipurpose beneficial plant but eventually becomes an aggressive invader where it was introduced. Herein, we report A. macrophthalmus invasion of the Far East, South Asian tropics and subtropics (Japanese Pacific Islands, Taiwan, Southern China, Northern Thailand and Southern India). Of other field-collected mimosoid legumes, an introduced tree, Falcataria moluccana, in Taiwan was found to be used by the seed predator. Conversely, our published work review revealed that the seed predator had retained high host specificity to Leucaena species in its native and introduced regions. Acanthoscelides macrophthalmus was able to utilize aphagously postharvest mature seeds for oviposition and larval development, which is a trait of post-dispersal seed predators. We confirmed that A. macrophthalmus that was reared on L. leucocephala was able to utilize F. moluccana as well. Although the relatively high host specificity of the oligophagous beetle is suitable for controlling the weedy L. leucocephala, the potential host range expansion confirmed by this study must be cautioned.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalEntomological Science
Volume12
Issue number1
DOIs
Publication statusPublished - Mar 1 2009

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Acanthoscelides
Leucaena leucocephala
Chrysomelidae
weed
weeds
Falcataria moluccana
predator
Coleoptera
seed
predators
Leucaena
host specificity
seeds
Taiwan
nitrogen-fixing trees
Mimosoideae
host range
Pacific Ocean Islands
range expansion
seed dispersal

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

A novel host shift and invaded range of a seed predator, Acanthoscelides macrophthalmus (Coleoptera : Chrysomelidae: Bruchinae), of an invasive weed, Leucaena leucocephala. / Tuda, Midori; Wu, Li Hsin; Tateishi, Yoichi; Niyomdham, Chawalit; Buranapanichpan, Sawai; Morimoto, Katsura; Wu, Wen Jer; Wang, Chiao Ping; Chen, Zong Qi; Zhu, Hong Ye; Zhang, Ying Cui; Murugan, Kadarkarai; Chou, Liang Yih; Johnson, Clarence D.

In: Entomological Science, Vol. 12, No. 1, 01.03.2009, p. 1-8.

Research output: Contribution to journalArticle

Tuda, M, Wu, LH, Tateishi, Y, Niyomdham, C, Buranapanichpan, S, Morimoto, K, Wu, WJ, Wang, CP, Chen, ZQ, Zhu, HY, Zhang, YC, Murugan, K, Chou, LY & Johnson, CD 2009, 'A novel host shift and invaded range of a seed predator, Acanthoscelides macrophthalmus (Coleoptera: Chrysomelidae: Bruchinae), of an invasive weed, Leucaena leucocephala', Entomological Science, vol. 12, no. 1, pp. 1-8. https://doi.org/10.1111/j.1479-8298.2009.00297.x
Tuda, Midori ; Wu, Li Hsin ; Tateishi, Yoichi ; Niyomdham, Chawalit ; Buranapanichpan, Sawai ; Morimoto, Katsura ; Wu, Wen Jer ; Wang, Chiao Ping ; Chen, Zong Qi ; Zhu, Hong Ye ; Zhang, Ying Cui ; Murugan, Kadarkarai ; Chou, Liang Yih ; Johnson, Clarence D. / A novel host shift and invaded range of a seed predator, Acanthoscelides macrophthalmus (Coleoptera : Chrysomelidae: Bruchinae), of an invasive weed, Leucaena leucocephala. In: Entomological Science. 2009 ; Vol. 12, No. 1. pp. 1-8.
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