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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/616

Title: Possibilidade de utilização da resposta cairomonal do parasitóide Anagyrus spec. nov. próx. psedococci (Girault) como base para o desenvolvimento de tácticas de protecção biológica
Authors: Cortegano, Elisabete Correia
Advisor: Silva, José Carlos Santos
Silva, Elsa Maria Borges
Keywords: anagyrus spec. nov. prox. pseudococci
planococcus citri
planococcus ficus
kairomonal effect
host location
sexual pheromone
feromona sexual
localização do hospedeiro
efeito cairomonal
Issue Date: 2009
Abstract: This work was aimed at evaluating the utilization of kairomonal response to the parasitoid Anagyrus spec nov. próx. pseudococci (Girault) to the sex pheromone of the vine mealybug, Planococcus ficus (Signoret), on development of a new control tactic, enable to monitor parasitoids populations and also increase the rate parasitism of vine mealybug on citrus orchards. Laboratory essays on static olfactometer and Petri dishes, and field experiments were conducted, using two trap designs. The caracterization of Anagyrus spec nov. próx. pseudococci populations from different origins showed the existence of high intraspecific variability on the coloration of the first funicular segment of the female antenna. The results confirmed the existence of an innate kairomonal response, suggesting that sex pheromone of P. ficus (group II cue) induce an arrestment behaviour in the parasitoid near of pheromone source. The results also suggest the inexistence of migrations of Anagyrus spec nov. próx. pseudococci populations between cultures.
Description: Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia
URI: http://hdl.handle.net/10400.5/616
Appears in Collections:BISA - Dissertações de Mestrado / Master Thesis

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