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Effects of Trap, and Ethanol Lure Type and Age on Attraction of Ambrosia Beetles (Coleoptera: Curculionidae)
Journal of Economic Entomology ( IF 2.2 ) Pub Date : 2021-04-17 , DOI: 10.1093/jee/toab089
Alejandra Monterrosa 1 , Angelita L Acebes 2 , Brett Blaauw 3 , Shimat V Joseph 1
Affiliation  

Ambrosia beetles (Xylosandrus spp.) are pests of woody ornamental nurseries and tree nut orchards. Growers use ethanol-infused bolts and ethanol-mediated bottle traps for monitoring ambrosia beetles in the spring. To refine these monitoring tools, we investigated the 1) sensitivity of the commercially available ethanol pouches placed on bolts compared with that of ethanol-infused bolts for ambrosia beetle attacks; and 2) the effect of aging of ethanol pouches on ambrosia beetle captures in bottle traps. Experiments were conducted in ornamental nurseries and pecan orchards in 2019 and 2020. For objective 1, the treatments included a bolt infused with locally purchased ethanol, an ethanol pouch attached to a bolt, and a control (bolt without ethanol). For objective 2, ethanol pouches were initially field-aged for 0, 1, 2, 3, and 4 wk and ambrosia beetle captures were documented weekly for 4 wk. Ethanol pouches older than 5 wk were replaced with fresh pouches at the pecan sites while ethanol pouches at nursery sites were aged up to 8 wk. The ethanol-pouch comparison study showed that the number of ambrosia beetle attacks was significantly greater on ethanol-infused bolt traps than with the ethanol pouches on bolts at the nursery and pecan sites in both years. The age of the ethanol pouches did not affect captures of Xylosandrus crassiusculus (Motschulsky) and X. germanus (Blandford) in bottle traps within 8 wk of deployment. Results provide practical implications into the sensitivity of the different ethanol lure types in association with bolt traps and the longevity of the ethanol pouches for grower use.

中文翻译:

诱捕器、乙醇诱剂类型和年龄对仙人掌甲虫(鞘翅目:葫芦科)吸引力的影响

Ambrosia beetles (Xylosandrus spp.) 是木本观赏苗圃和坚果果园的害虫。种植者使用注入乙醇的螺栓和乙醇介导的瓶子陷阱来监测春季的美味甲虫。为了改进这些监测工具,我们研究了 1) 放置在螺栓上的市售乙醇袋与注入乙醇的螺栓相比对仙食甲虫攻击的敏感性;和 2) 乙醇袋老化对瓶捕集器中的珍宝甲虫捕获的影响。实验于 2019 年和 2020 年在观赏苗圃和山核桃园进行。对于目标 1,处理包括注入当地购买的乙醇的螺栓、附在螺栓上的乙醇袋和对照(不含乙醇的螺栓)。对于目标 2,乙醇袋最初在现场老化 0、1、2、3、每周记录 4 周和 4 周捕获的仙人掌甲虫。超过 5 周的乙醇袋在山核桃地点被新鲜的袋子取代,而在苗圃地点的乙醇袋则老化至 8 周。乙醇袋比较研究表明,在两年中,在苗圃和山核桃地点,注入乙醇的螺栓捕集器上的美味甲虫攻击次数明显高于螺栓上的乙醇袋。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。超过 5 周的乙醇袋在山核桃地点被新鲜的袋子取代,而在苗圃地点的乙醇袋则老化至 8 周。乙醇袋比较研究表明,在两年中,在苗圃和山核桃地点,注入乙醇的螺栓捕集器上的美味甲虫攻击次数明显高于螺栓上的乙醇袋。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。超过 5 周的乙醇袋在山核桃地点被新鲜的袋子取代,而在苗圃地点的乙醇袋则老化至 8 周。乙醇袋比较研究表明,在两年中,在苗圃和山核桃地点,注入乙醇的螺栓捕集器上的美味甲虫攻击次数明显高于螺栓上的乙醇袋。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。乙醇袋比较研究表明,在两年中,在苗圃和山核桃地点,注入乙醇的螺栓捕集器上的美味甲虫攻击次数明显高于螺栓上的乙醇袋。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。乙醇袋比较研究表明,在两年中,在苗圃和山核桃地点,注入乙醇的螺栓捕集器上的美味甲虫攻击次数明显高于螺栓上的乙醇袋。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。乙醇袋的使用年限不影响在部署后 8 周内在瓶捕集器中捕获粗木松 (Motschulsky) 和 X.germanus (Blandford)。结果为不同乙醇诱饵类型与螺栓陷阱的敏感性和供种植者使用的乙醇袋的寿命提供了实际意义。
更新日期:2021-04-17
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