Populational fluctuation of the citrus leafminer Phyllocnistis citrella (Lepidoptera: Gracillariidae) in the piedmont of the department of Meta
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Abstract
From October 1996 to October 1998, it was carried out a study to determine the populational levels and the incidence times of the citrus leaf miner Phyllocnistis citrella, in two citric producers regions, belonging to Acacías and Restrepo municipalities, which are representatives of the Piedemonte of the Meta Department. Results show a slightly bigger incidence of the pest in the locality of Acacias without a statistically significant difference, then is concluded that a similar tendency in populational behavior at the two localities was founded. During July, August and November it was detected the biggest populational levels of the pest at the two localities. The smaller levels of population are presented during the months of January, February, and March period that coincides with the time of smaller precipitation in the two areas. It was detected a direct relationship between populational levels and the percentages of natural parasitism of the pest only in Restrepo, but not in Acacías.
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