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首页> 外文期刊>Bulletin of Entomological Research >Short-distance dispersal of Hypothenemus hampei (Ferrari) females (Coleoptera: Curculionidae: Scolytidae) during the coffee tree fruiting period
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Short-distance dispersal of Hypothenemus hampei (Ferrari) females (Coleoptera: Curculionidae: Scolytidae) during the coffee tree fruiting period

机译：咖啡树果时期的幼年伏魔（Ferrari）女性（鞘翅目：Curculionidae：Curculionidae：Curculionidae：Scolytidae）的短途分散

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摘要

The coffee berry borer (CBB), Hypothenemus hampei (Ferrari), is a multivoltine species closely associated with coffee crops worldwide, causing severe damage to the bean. In Mexico, as in all tropical regions, CBB survives during the inter-harvest period in residual berries on the ground or in dry berries remaining on the branches, and then disperses in search of the first suitable berries. In this study, we investigated how CBB dispersed from the first infested nodes during the fruiting period of Coffea canephora Pierre, which provides a favourable trophic level for this insect. Forty-five branches equally distributed in 15 coffee trees, with one infested node and four uninfested nodes, were selected. The branches were subjected to three treatments over nine weeks: 1) glue between nodes with full protection, 2) glue between nodes without protection, and 3) no glue and no protection. In addition, 45 CBB-free branches were selected and subjected to the same three treatments. CBB colonization can occur in three ways: 1) from an infested node to an uninfested node on the same branch, 2) from infested berries to uninfested berries within the nodes, 3) from branches to other branches. We also found that CBB dispersal between nodes of the same branches never occurred by walking but by flying. Thus, in this context of coffee berry development and ripening, and unlike the phenological situation of the inter-harvest period, CBB continuously travels very short distances, thus limiting its control.
机译：咖啡浆果Borer（CBB），Hypothenemus Hampei（法拉利）是一种与全球咖啡杂粮密切相关的多激荷西米，对豆产生严重损害。在墨西哥，如在所有热带地区，CBB在地面残余浆果中的收获期或残留在树枝上的干燥浆果期间存活，然后分散在第一个合适的浆果中。在这项研究中，我们调查了Coffea Canephora Pierre的结果期间CBB如何分散来自第一个侵扰节点，这为该昆虫提供了有利的营养水平。选择了四十五个分支，在15个咖啡树中均等分布，其中有一个有裸露的节点和四个未捕获的节点。将该分支在九周内进行三个治疗方法：1）在节点之间胶水，具有完全保护，2）胶合在没有防护的节点之间，3）无胶，无保护。此外，选择45只CBB的分支并进行相同的三种处理。 CBB定植可以以三种方式发生：1）从侵入的节点到同一分支上的未捕获节点，2）从侵入的浆果到节点内的未捕获浆果，3）从分支到其他分支。我们还发现，在相同分支的节点之间的CBB分散从未发生过行走而是飞行。因此，在这种咖啡浆果的发展和成熟的背景下，与收获间隔内的鉴效情况不同，CBB连续行进非常短的距离，从而限制其控制。

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