The predators attacking soft scales (Hemiptera: Coccomorpha: Coccidae) in Serbia
2024
Marina DERVIŠEVIĆ | Tanja DROBNJAKOVIĆ | Draga GRAORA
This study aimed to determine the diversity of species of predators attacking scale insects (Hemiptera: Coccidae) in Serbia. Over a four-year period, at 25 locations and on 25 host plants infested with 16 species of Coccidae, a total of 18,050 predators were collected and reared. Among them, were 16 species belonging to 7 families and 5 insect orders (Coleoptera, Dermaptera, Diptera, Hemiptera, and Neuroptera). Six species, Harmonia axyridis, Hippodamia variegata, Propylea quatuordecimpunctata, Forficula auricularia, Deraeocoris ruber and Oxycarenus lavaterae, were recorded for the first time feeding on coccid pests in Serbia and O. lavaterae was first recorded being zoophagous. The most common species was Exochomus quadripustulatus, which was recorded feeding on all 16 species of soft scale insects, while the dominant species was Anthribus nebulosus, with a total of 17,385 individuals collected and reared on five species of soft scale. Considering the potential of the predators as biocontrol agents for suppressing scale insects, the data obtained indicate the need to understand predator diversity, which is one of the prerequisites for using these predators for controlling coccid pests.
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