雌雄叩头甲虫对化学寄主植物识别的嗅觉偏好及其对害虫防治的意义

IF 4.2 1区农林科学 Q1 AGRONOMY Pest Management Science Pub Date : 2025-04-08 DOI:10.1002/ps.8817

Michael Brunner, Riccardo Favaro, Willem G. van Herk, Paige Bogaerts, Oskar Rennstam Rubbmark, Sergio Angeli, Michael Traugott

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摘要

植物会释放挥发性有机化合物（VOCs），这是食草昆虫寻找寄主觅食和产卵的关键线索。了解成虫如何识别寄主植物对于制定害虫管理策略至关重要，特别是对于像咔哒虫这样的半虫，它们的幼虫是重要的土壤害虫。为了研究咔哒甲虫对植物VOCs的吸引力及其与产卵的相关性，我们测试了11种植物的组成性VOCs（完整植物释放的）和损伤性VOCs（切碎植物释放的）对雄性和雌性咔哒甲虫的吸引力。

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Olfactory preference in chemical host plant recognition by male and female click beetles and its implications for pest management

BACKGROUND

Plants emit volatile organic compounds (VOCs), which serve as critical cues for herbivorous insects to locate hosts for feeding and oviposition. Understanding how adults identify host plants is essential to develop pest management strategies, particularly for hemiedaphic insects like click beetles, the larvae of which are significant soil-dwelling pests. To investigate click beetle attraction towards plant VOCs and their relevance for oviposition, we tested the attractiveness of constitutive VOCs (emitted by intact plants) and damage-induced VOCs (released by chopped plants) from 11 plant species to male and female Agriotes sputator beetles.

RESULTS

Agriotes sputator beetles exhibit plant species-specific olfactory preferences, which are influenced by beetle sex and female maturity and differ between constitutive and damage-induced VOCs. Female beetles showed the greatest attraction to buckwheat VOCs, especially during their main oviposition period, whereas males were more attracted to clover and ryegrass. EAG recordings show strong female antennal responses to ryegrass, carrot, maize, wild carrot, barley, and buckwheat VOCs, while male antennae responded significantly only to peas. Antennae from female beetles show overall stronger responses to constitutive VOCs than those of males (P = 0.02).

CONCLUSION

These findings facilitate the development of new approaches for Agriotes pest management. Understanding preferred plant VOCs aids in identifying attractive semiochemicals that can be used for monitoring female beetles. Additionally, recognizing attractive plants aids wireworm management by either avoiding them in crop rotations before sensitive crops (thus reducing oviposition) or by attracting beetles to specific areas where they can be targeted by control measures. © 2025 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.

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来源期刊

Pest Management Science 农林科学-昆虫学

CiteScore

7.90

自引率

9.80%

发文量

553

审稿时长

4.8 months

期刊介绍： Pest Management Science is the international journal of research and development in crop protection and pest control. Since its launch in 1970, the journal has become the premier forum for papers on the discovery, application, and impact on the environment of products and strategies designed for pest management. Published for SCI by John Wiley & Sons Ltd.