Related factors to the Paraleyrodes sp. pos. bondari (Hemiptera: Aleyrodidae) population in avocado

Abstract

The severity of the damage caused by the avocado whitefly (Paraleyrodes sp. pos. bondari) and the difficulty to control it, has forced researchers and growers to find alternatives for its management. We investigated the life cycle of the avocado whitefly and the relation of environmental factors with the population of this insect and the presence of its natural enemies in avocado. Biweekly monitoring of ten avocado trees per cultivar (cvs. Hass, Lorena and Choquette) of the percentage of leaf area occupied by whitefly colonies in each of two commercial farms at Fresno (Tolima, Colombia) was conducted during nine months. The climatic variables: rainfall, temperature and relative humidity on each farm were measured on a daily basis. Finally, a quantification and identification of the beneficial fauna associated with the crop was carried out during seven months. The avocado whitefly had a total life cycle of 27.7 ± 0.19 days. Lorena had the highest presence of Paraleyrodes. An inverse correlation between percentage of whitefly incidence in all varieties and relative humidity was observed at La Chiripa farm. Encarsia sp., Eretmocerus sp., and Amitus sp. Were identified as the main potential natural enemies of Paraleyrodes sp. pos. bondari.

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Cruz Castiblanco GN, Varón Devia EH, Quiroga Rojas LF, Monje Andrade B, Sierra Baquero PV. Related factors to the Paraleyrodes sp. pos. bondari (Hemiptera: Aleyrodidae) population in avocado. Rev. Colomb. Entomol. [Internet]. 2016 Jul. 15 [cited 2026 Oct. 22];42(2):103-9. Available from: https://revistacolombianaentomologia.univalle.edu.co/index.php/SOCOLEN/article/view/6679

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