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New Records of Insect Predators of Invasive Fluted Scales (Hemiptera: Monophlebidae: Iceryini) in Ecuador
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New Records of Insect Predators of Invasive Fluted Scales (Hemiptera: Monophlebidae: Iceryini) in Ecuador
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New Records of Insect Predators of Invasive Fluted Scales (Hemiptera: Monophlebidae: Iceryini) in Ecuador
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Journal Article
New Records of Insect Predators of Invasive Fluted Scales (Hemiptera: Monophlebidae: Iceryini) in Ecuador
2024
Overview
Population outbreaks of invasive fluted scales in urban areas of Ecuador have become frequent in recent years. Despite the negative impact that these scale insects cause on the native flora, little is known about the natural enemies that control their populations in Ecuador. During collections and observations carried out between July and October 2021 in the province of Guayas, in western Ecuador, high infestations caused by the invasive pests Crypticerya genistae (Hempel, 1912), Crypticerya multicicatrices Kondo & Unruh, 2009, and Icerya purchasi Maskell, 1879 (Hemiptera: Coccomorpha: Monophlebidae: Iceryini) were found. Hence, this study aimed to determine the natural enemies of these fluted scales using taxonomic keys based on their morphological characteristics. As a result, five species of predators were identified, i.e., Novius punicus (Gordon, 1972), Novius cardinalis (Mulsant, 1850) (Coleoptera: Coccinellidae), Syneura cocciphila (Coquillet, 1895) (Diptera: Phoridae), Ceraeochrysa sp. (Neuroptera: Chrysopidae), and Cardiastethus sp. (Hemiptera: Anthocoridae); the latter is reported preying on C. multicicatrices for the first time. Knowledge of natural enemies is crucial for developing more effective, eco-friendly pest management strategies that could help mitigate the adverse effects of these invasive scale insects.
