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<p><i>Euphyllura pakistanica</i> Loginova (Hemiptera: Liviidae) is a&#xa0;significant pest of olive trees in major olive-growing regions globally. This study evaluated the population density of this pest across four regions in Iran—Semnan, Lasjerd, Shahrood, and Miami—over 1&#xa0;year (February 2023 to January 2024). Yellow sticky cards were deployed monthly at two heights (80 and 200 cm above the ground) to monitor pest populations. At 48&#xa0;h after installation, the numbers of <i>E.&#xa0;pakistanica</i> nymphs, adults, and non-target insects were recorded. The olive psyllid population was consistently higher in Semnan and Lasjerd than in Shahrood and Miami across all sampling dates. Flight activity of <i>E.&#xa0;pakistanica</i> was significantly higher at 200 cm than at 80 cm, except in Shaghayegh Park and Allameh Majlesi Street, where height did not significantly affect pest attraction. Non-target insect activity showed no significant difference between the two heights across all sites. The highest pest population was observed in May in Semnan and Lasjerd and in April in Shahrood and Miami. Populations decreased during summer due to higher temperatures but increased moderately in September. With cooler weather in autumn, pest populations declined to zero in winter. Non-target insect populations peaked in May in Shahrood and Miami and April in Semnan and Lasjerd. Overall, non-target insect populations were consistently higher in Shahrood and Miami than in Semnan and Lasjerd. Yellow sticky cards are a&#xa0;practical tool for monitoring olive psyllid populations, aiding in population dynamics studies and integrated pest management strategies.</p>

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Monitoring Euphyllura pakistanica Loginova (Hemiptera: Liviidae) Using Yellow Sticky Cards in Urban Olive Groves of Semnan Province, Iran

  • 期刊论文

  • 发表日期：

    2025年7月28日

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  • Maryam Ajamhassani,
  • Mostafa Aghaei,
  • Fatemeh Abdos

摘要

Euphyllura pakistanica Loginova (Hemiptera: Liviidae) is a significant pest of olive trees in major olive-growing regions globally. This study evaluated the population density of this pest across four regions in Iran—Semnan, Lasjerd, Shahrood, and Miami—over 1 year (February 2023 to January 2024). Yellow sticky cards were deployed monthly at two heights (80 and 200 cm above the ground) to monitor pest populations. At 48 h after installation, the numbers of E. pakistanica nymphs, adults, and non-target insects were recorded. The olive psyllid population was consistently higher in Semnan and Lasjerd than in Shahrood and Miami across all sampling dates. Flight activity of E. pakistanica was significantly higher at 200 cm than at 80 cm, except in Shaghayegh Park and Allameh Majlesi Street, where height did not significantly affect pest attraction. Non-target insect activity showed no significant difference between the two heights across all sites. The highest pest population was observed in May in Semnan and Lasjerd and in April in Shahrood and Miami. Populations decreased during summer due to higher temperatures but increased moderately in September. With cooler weather in autumn, pest populations declined to zero in winter. Non-target insect populations peaked in May in Shahrood and Miami and April in Semnan and Lasjerd. Overall, non-target insect populations were consistently higher in Shahrood and Miami than in Semnan and Lasjerd. Yellow sticky cards are a practical tool for monitoring olive psyllid populations, aiding in population dynamics studies and integrated pest management strategies.