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Revista Colombiana de Ciencias Hortícolas

versión impresa ISSN 2011-2173

Resumen

SILVA-ARERO, ELÍAS ALEXANDER; CARDONA, WILLIAM ANDRÉS; BOLANOS-BENAVIDES, MARTHA MARINA  y  ATUESTA-MORENO, SEBASTIÁN FELIPE. Trapping methods for capturing the screwworm Telchin atymnius (Dalman, 1824) on plantain plantations (Musa AAB). rev.colomb.cienc.hortic. [online]. 2020, vol.14, n.2, pp.192-200.  Epub 11-Nov-2022. ISSN 2011-2173.  https://doi.org/10.17584/rcch.2020v14i2.9802.

The larval stage of the screwworm (Telchin atymnius) inflicts damage on the pseudostem and corm, allowing other pests and pathogens to affect crops and decrease fruit yield and quality. The adults form of these insects are attracted to certain colors and types of food, and their capture reduces oviposition and damage from future larvae. The objective of this study was to evaluate the efficacy of capturing adult individuals on plantain farms through two experiments: a) using traps with different colors (blue, white, and transparent) and b) using two types of traps (the most efficient color trap of the prior experiment and an artisanal trap). A completely randomized experiment design was used. The insects were recorded through counting. Binomial negative, Poisson and zero-inflated variation models were used for data analysis. Furthermore, temperature and rainfall variables were included as statistical model parameters of the color trap experiment. The parameters were considered significant when P<0.05. SAS 9.4 was used. The number of individuals captured with the blue and white traps were 2.84 and 1.38 times higher than the numbers captured with the transparent trap, respectively. In addition, there were 6.26 times more captures in months with higher temperatures than in months with lower temperatures. With the artisanal trap, there were 4.33 times more captures than in blue traps; it was also the cheapest trap. The use of blue traps (bags) with toxic bait or traps with molasses bait is a viable alternative for monitoring and capturing this insect with integrated management.

Palabras clave : Castniidae; trap; color; plague; bait; molasses; Castniomera humboldti.

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