Effects of neonicotinoid insecticide trunk injections on non-target arboreal ants, potential biological control agents for invasive longhorn beetle Aromia bungii on cherry trees

IF 1.3 4区农林科学 Q2 ENTOMOLOGY

Applied Entomology and Zoology Pub Date : 2023-09-09 DOI:10.1007/s13355-023-00844-7

Eiriki Sunamura, Shigeaki Tamura, Hisatomo Taki, Grzegorz Buczkowski, Etsuko Shoda-Kagaya

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Abstract

Trunk injection is a relatively new, environmentally friendly method to apply insecticides to trees which does not cause insecticide drift and environmental runoff. However, little is known about the effect of insecticide trunk injection on non-target arboreal ants (Hymenoptera: Formicidae) which can act as biological control agents of target tree pests. This study evaluated the effect of trunk injections on arboreal ants found on cherry trees treated with neonicotinoids (dinotefuran and thiamethoxam) for controlling the invasive longhorn beetle Aromia bungii (Faldermann) (Coleoptera: Cerambycidae). Arboreal ants represented by Crematogaster matsumurai Forel can prey on A. bungii eggs. Results of visual sampling 1 and 3 months after injections showed that injections did not reduce the number of ant species occurring on tree trunks. Additionally, injections did not eliminate 3 of 4 most abundant species on tree trunks or extrafloral nectaries including C. matsumurai. However, a decline of Lasius japonicus Santschi was observed on injected trees. Our preliminary short-term survey suggests the possibility that chemical control by trunk injection and biological control by arboreal ants are compatible in A. bungii management. However, further research is needed to clarify the mechanism of L. japonicus decline and long-term consequences of trunk injection on arboreal ant composition.

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新烟碱类杀虫剂树干注射对非目标树蚁的影响及对樱桃树入侵角甲虫潜在的生物防治剂

树干注射是一种相对较新的、环保的树木施用杀虫剂的方法，不会造成杀虫剂漂移和环境径流。然而，对非目标树蚁(膜翅目:蚁科)作为目标树害虫的生物防治剂，其防治效果尚不清楚。本研究评价了新烟碱类杀虫剂(呋虫胺和噻虫嗪)处理樱桃树后，树干注射对树栖蚂蚁的防治效果。以matmatogaster matsumurai Forel为代表的树栖蚂蚁可以捕食白桦卵。注射后1个月和3个月的目测取样结果显示，注射并没有减少树干上发生的蚂蚁种类。此外，注射并没有消除树干或花外蜜腺上4种最丰富的物种中的3种，包括松茸。注射后的树木中，日本松毛虫数量呈下降趋势。初步的短期调查结果表明，树干注射化学防治和树蚁生物防治是可行的。然而，为了进一步阐明日本白蚁衰退的机制和注射树干对树栖蚂蚁组成的长期影响，还需要进一步的研究。

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来源期刊

Applied Entomology and Zoology 生物-昆虫学

CiteScore

2.70

自引率

7.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Applied Entomology and Zoology publishes articles concerned with applied entomology, applied zoology, agricultural chemicals and pest control in English. Contributions of a basic and fundamental nature may be accepted at the discretion of the Editor. Manuscripts of original research papers, technical notes and reviews are accepted for consideration. No manuscript that has been published elsewhere will be accepted for publication.