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BACKGROUND
Psyllids are principal pests of pear orchards. Pest control based on the intensive use of chemicals is facing difficulties and strategies with a low impact on natural enemies are considered as the most suitable for psyllid control. Ants have been reported as the main predators of Cacopsylla pyri (Hemiptera: Psyllidae) in the southern Mediterranean area. The aim of this work was to determine...
The abundance and population dynamics of the pear psyllid Cacopsylla pyri L. and its potential natural enemies were followed in pear orchards in southern Spain. The fieldwork was carried out from 2007 to 2010 in two chemically-treated and two non-treated orchards. The abundance of C. pyri gradually decreased through the years in both treated and non-treated orchards, but it reached lower levels in...
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