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Brazil stung by citrus blackfly

Brazil’s Sao Paulo citrus orchards are suffering from a large infestation of citrus blackflies ( Aleurocanthus woglumi), the national newswire, Cultivar, reports. It is a “quarantine” pest for which control measures are limited. Researchers at the Brazilian agricultural research corporation, the Embrapa, are still attempting to identify natural predators. They believe that biological control with parasitoids would be more effective than pesticides. Pyrethroid and organophosphate insecticides are applied in some countries, the national citrus crop protection fund, the Fundecitrus, says. The Embrapa is considering biological controls that are used successfully in Mexico and Jamaica. They include the parasitoid wasps, Prospaltella spp and Amitus hesperidum.


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