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Captures of Stenoma catenifer (Lepidoptera: Depressariidae) are Influenced by Pheromone Trap Density in Hass Avocado Orchards
by
Velázquez-Martínez, Guadalupe del Carmen
, Equihua-Martínez, Armando
, Lomeli, J. Refugio
, González-Hernández, Héctor
, López-Collado, José
, Rojas, Julio C.
in
avocado seed moth
/ Book publishing
/ International economic relations
/ International trade
/ monitoreo
/ monitoring
/ palomilla barrenadora de la semilla del aguacate
/ Persea americana
/ Quarantine
/ RESEARCH PAPERS
/ sex pheromone trap
/ trampas con feromona sexual
2023
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Captures of Stenoma catenifer (Lepidoptera: Depressariidae) are Influenced by Pheromone Trap Density in Hass Avocado Orchards
by
Velázquez-Martínez, Guadalupe del Carmen
, Equihua-Martínez, Armando
, Lomeli, J. Refugio
, González-Hernández, Héctor
, López-Collado, José
, Rojas, Julio C.
in
avocado seed moth
/ Book publishing
/ International economic relations
/ International trade
/ monitoreo
/ monitoring
/ palomilla barrenadora de la semilla del aguacate
/ Persea americana
/ Quarantine
/ RESEARCH PAPERS
/ sex pheromone trap
/ trampas con feromona sexual
2023
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Captures of Stenoma catenifer (Lepidoptera: Depressariidae) are Influenced by Pheromone Trap Density in Hass Avocado Orchards
by
Velázquez-Martínez, Guadalupe del Carmen
, Equihua-Martínez, Armando
, Lomeli, J. Refugio
, González-Hernández, Héctor
, López-Collado, José
, Rojas, Julio C.
in
avocado seed moth
/ Book publishing
/ International economic relations
/ International trade
/ monitoreo
/ monitoring
/ palomilla barrenadora de la semilla del aguacate
/ Persea americana
/ Quarantine
/ RESEARCH PAPERS
/ sex pheromone trap
/ trampas con feromona sexual
2023
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Captures of Stenoma catenifer (Lepidoptera: Depressariidae) are Influenced by Pheromone Trap Density in Hass Avocado Orchards
Journal Article
Captures of Stenoma catenifer (Lepidoptera: Depressariidae) are Influenced by Pheromone Trap Density in Hass Avocado Orchards
2023
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Overview
Stenoma catenifer Walsingham is a quarantine pest of avocado. Therefore, its detection in avocado-growing regions of Mexico that had been designated pest-free can halt national and international trade. One option for monitoring S. catenifer is the use of synthetic sex pheromone traps. In this study we determined the optimal density of pheromone-baited traps for monitoring S. catenifer. The experiment was conducted in 4 commercial Hass avocado orchards in Colima, Mexico, each with different pest infestation levels. Trap densities were established at 0.5, 1, 2, or 3 traps per ha. The traps were checked every 15 d and the number of moths recorded. The density of 3 traps per ha captured the most moths per trap followed by 1 trap per ha; similar small numbers of moths were captured at densities of 0.5 and 2 traps per ha. In general, there was a linear relationship between trap catch and trap density per ha. The overall default error rate, i.e., the proportion of traps did not detect moths when they were present, was 5.5% at a density of 3 traps per ha and 2.7% at trap densities of 0.5 and 2 traps per ha. Furthermore, at a density of 1 trap per ha all traps captured moths and so there was no default error. Since S. catenifer is a quarantine pest that must be detected promptly to reduce the risk of dispersal and establishment in moth-free areas, it is suggested that a density of 1 trap per ha should be used in avocado orchards to effectively monitor for the presence of this pest. However, this estimate was obtained through the bootstrapping technique, which involves the creation of pseudoreplicate datasets by resampling. Randomized field experiments with true replicates are needed to corroborate this result. La presencia de Stenoma catenifer Walsingham, una plaga cuarentenaria, puede cancelar la comercialización nacional e internacional de aguacate Hass de zonas libres de plagas reglamentadas del aguacatero. Una opción para su oportuna detección es el uso de trampas con feromona sexual sintética. El objetivo del estudio fue determinar la densidad de estas de trampas para el monitoreo de S. catenifer. El experimento se estableció en cuatro huertos comerciales de aguacate Hass, con diferentes niveles de infestación de la plaga, en Colima, México. En los huertos, se establecieron las densidades siguientes: 0.5, 1, 2, y 3 trampas por ha. Las trampas se revisaron cada 15 días para registrar el número de palomillas capturadas. La densidad de 3 trampas por ha capturó el mayor número de palomillas, seguida de la densidad de 1 trampa por ha, mientras que las capturas con 0.5 y 2 trampas por ha fueron las menores, pero muy similares entre sí. En general, las densidades de 0.5, 1, y 2 trampas por ha en relación con la densidad de 3 trampas por ha estuvieron linealmente relacionadas en la mayoría de los casos. La tasa de error global por omisión, i.e., no detectar la palomilla cuando está presente, con referencia a la densidad de 3 trampas por ha fue de 5.5%, y de 2.7% para las densidades de 0.5 y 2 trampas por ha, mientras que en la densidad de 1 trampa por ha siempre se detectaron palomillas y no tuvo omisión de error. Por tratarse de una plaga de importancia cuarentenaria y por el interés de detectarla oportunamente y así reducir el riesgo de dispersión y establecimiento a las áreas libres, se sugiere usar la densidad de una trampa por hectárea de aguacate. Sin embargo, este estimado se obtuvo mediate la técnica de bootstrapping que utiliza pseudor-replicas. Para validar este resultado, se requieren experimentos de campo con repeticiones verdaderas.
Publisher
Florida Entomological Society
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