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Revista Colombiana de Entomología

Print version ISSN 0120-0488

Abstract

BACCA, TITO; SARAIVA, RODRIGO M  and  LIMA, ERALDO R. Captura de Leucoptera coffeella (Lepidoptera: Lyonetiidae) en trampas con feromona sexual y su intensidad de daño. Rev. Colomb. Entomol. [online]. 2012, vol.38, n.1, pp.42-49. ISSN 0120-0488.

The use of pheromone traps was tested for monitoring males of the coffee leaf miner, Leucoptera coffeella (Guérin-Méneville) (Lepidoptera: Lyonetiidae). Insect sampling was carried out in seven coffee plantations under different agronomic conditions in the two regions - Triángulo Mineiro and Zona da Mata, MG, Brazil. The sampling period ranged from 6 to 20 months. The locality significantly affected male capture. Among the weather variables analyzed, the decrease in the average temperature favored higher infestations of L. coffeella in coffee plants and higher male capture. A positive relation between male capture and percent of leaves mined (R2 = 0.79) was observed in the Triángulo Mineiro while in Zona da Mata this relationship was weak, although significant (R2 =0.06). In this last region, a positive and significant correlation between males captured and pest eggs was observed (R2 = 0.34). The results of this study suggest that there is a significant correlation between the male capture by pheromone traps and the population density of L. coffeella, emphasizing the potential of pheromone traps for monitoring the coffee leaf miner.

Keywords : Coffee leaf miner; Coffea arabica; Sampling.

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