Symposium: Biology and Control of Weevils Associated with Citrus in Florida and the West Indies: Sampling and Distribution of Artipus Floridanus Horn (Coleoptera: Curculionidae) on Citrus and Weed Hosts
Abstract
No correlation was found between adult populations of Artipus floridanus Horn observed on the foliage of navel orange trees and the number of adults emerging from the soil beneath the same trees. Only a few larvae were found in the root zones of selected trees after one year indicating that the low adult population collected from emergence traps during the year was an accurate index of population density per tree. Interestingly, teaweed and carpet grass found between the rows produced a significantly greater number of larvae per area than citrus. A weak negative correlation was detected between leaf consumption by adult weevils and change in root volume after one year. Yet, there was no correlation between adult and larval populations and root volume or trunk diameter.Downloads
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