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Pesquisa Agropecuária Brasileira

Print version ISSN 0100-204XOn-line version ISSN 1678-3921


MICHEREFF, MIRIAN FERNANDES FURTADO; VILELA, EVALDO FERREIRA; MICHEREFF FILHO, MIGUEL  and  MAFRA-NETO, AGENOR. Synthetic sex pheromone use for field trapping of diamondback moth males. Pesq. agropec. bras. [online]. 2000, vol.35, n.10, pp.1919-1926. ISSN 0100-204X.

The aim of this work was to study the attractiveness of males of Plutella xylostella L. (Lepidoptera: Yponomeutidae) to different formulations of synthetic sex pheromone. The treatments were: 1) commercial formulation; 2) Z11,16:Ald; 3) Z11,16:Ac; 4) binary blends 7:3 of 2+3; 5) binary blends 5:5 of 2+3; 6) rubber septa with hexane (control); 7) five virgin females. The commercial formulation of the synthetic sex pheromone was more attractive to males, and did not differ significantly from virgin females and binary blends 5:5 treatments. The components alone were less attractive to males. Five traps were evaluated: Pherocon 1 CP (wing trap), Delta, "PVC 200", "PVC 250" and Black Round Trap, where the wing trap was more effective in capturing males than the other traps tested. The wing trap was evaluated at 5, 30 and 60 cm. More males were caught at 30 cm above the ground level, while the height of 5 and 60 cm did not differ significantly.

Keywords : Plutella xyslostella; integrated pest management; pheromone traps; cabbages.

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