Feeding Preferences of Agrilus zanthoxylumi (Coleoptera: Buprestidae) in Relation to Host Plant Volatiles
Yu Qi, Jiayu Meng, Na Jiang, Xinyu Liu, Yuting Wu, Yanyan Bai, Yingying Zhao, Baozhi Liu, Jiating Yang, Yanan Wang, Shouan Xie

TL;DR
This study explores how a beetle species prefers certain pepper plant varieties based on their leaf chemicals, which could help in creating eco-friendly pest control methods.
Contribution
The study identifies specific volatile compounds that drive the beetle's feeding preferences across Zanthoxylum varieties.
Findings
Agrilus zanthoxylumi adults prefer Z. bungeanum Fugu leaves over other varieties.
Key volatile compounds like (E)-4-hexen-1-ol and (−)-limonene are linked to feeding preferences.
Multivariate analysis revealed distinct volatile distributions among the three Z. bungeanum varieties.
Abstract
Understanding the feeding preferences of Agrilus zanthoxylumi Li Meng Lou, 1989 (Coleoptera: Buprestidae) adults across different Zanthoxylum bungeanum varieties and their underlying chemical drivers is important for developing sustainable pest management strategies. This study assessed adult feeding preferences on leaves of Z. bungeanum Fugu, Z. bungeanum Dahongpao, and Z. bungeanum Feng varieties and analyzed leaf volatiles to identify key differential compounds. We found that Z. bungeanum Fugu leaves were most preferred by adults. The volatile compositions differed markedly among the three varieties, with Z. bungeanum Fugu containing the most unique compounds. Factor analysis and partial least squares discriminant analysis (PLS-DA) further identified key differentiating compounds, including (E)-4-hexen-1-ol, (−)-limonene, (−)-α-pinene, γ-terpinene, α-terpineol, and linalyl acetate.…
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Taxonomy
TopicsForest Insect Ecology and Management · Insect-Plant Interactions and Control · Insect Pest Control Strategies
