SummaryThis study evaluates the entomopathogenic fungus, Lecanicillium lecanii (Sordariomycetes: Hypocreales) for prevalence in citrus orchards of Hatay and effectiveness in controlling some phytophagous Hemiptera species. Experiments were conducted under both field conditions and laboratory conditions at 25±3°C and 80±5% relative humidity (RH)

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Pseudococcid species, cause reduced fruit quality and crop losses in various fruit trees. As a result of the application of broad spectrum-pesticides in their management, secondary pest outbreaks arise and chemical pesticide residues occur on fruits. Therefore, the role of biological control practices in mealybug management is important. In this review, the damage caused by the mealybug species, Planococcus citri Risso, Planococcus ficus Signoret, Phenacoccus aceris Signoret, Pseudococcus comstocki Kuwana, Pseudococcus longispinus Targioni Tozzetti, Pseudococcus viburni Signoret, Pseudococcus cryptus Hempel and Nipaecoccus nipae Sulc (Hemiptera: Pseudococcidae) to fruit trees in Turkey is outlined and the results of studies on their biological control agents have been compiled. For the integrated control of these pests, indigenous natural enemies should be supported, ant control should not be ignored, biodiversity should be increased and the application of broad spectrum pesticides should be avoided. In the absence of suitable natural enemy species in the environment, effective natural enemies should be introduced from other countries and released in the problematic regions.

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