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Short-distance dispersal of Hypothenemus hampei (Ferrari) females (Coleoptera: Curculionidae: Scolytidae) during the coffee tree fruiting period

Román Ruíz, Ariana Karina | Ribeyre, F [autor/a] | Rojas, Julio C [autor/a] | Cruz López, Leopoldo Caridad [autor/a] | Barrera, Juan F [autor/a] | Dufour, Bernard Pierre [autor/a].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Broca del cafeto | Infestaciones de insectos | Comportamiento de los insectos | Coffea canephoraTema(s) en inglés: Coffee berry borer | Insect infestations | Insect behavior | Coffea canephoraDescriptor(es) geográficos: Alianza, Cacahoatán (Chiapas, México) Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Bulletin of Entomological Research. volumen 108, número 5, (October 2018), páginas 593-601. --ISSN: 1475-2670Número de sistema: 59070Resumen:
Inglés

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.

Recurso en línea: https://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/shortdistance-dispersal-of-hypothenemus-hampei-ferrari-females-coleoptera-curculionidae-scolytidae-during-the-coffee-tree-fruiting-period/FFCC8DEBCFCDC89E9B33F59FD6D80B26
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Disponible para usuarios de ECOSUR con su clave de acceso

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. eng

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