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<p>Crop health and pest dynamics in horticultural systems are significantly influenced by climate variability. This study investigated the seasonal patterns and ecological interactions of 73 arthropod species associated with eggplant cultivation at the Central Research Farm, Bidhan Chandra Krishi Viswavidyalaya, Gayeshpur, Nadia, West Bengal, India, over 11 consecutive cropping seasons from 2021 to 2023. Arthropods were categorized into ecological guilds: sucking, chewing, predatory, and ant groups. Key climatic factors such as temperature, humidity, and rainfall significantly impacted species abundance and interspecies relationships. For instance, mealybugs showed a significant positive correlation with rainfall (0.51) and humidity (0.53), while the brinjal shoot and fruit borer, whiteflies, and aphids exhibited higher populations under lower temperatures and humidity, with correlations of -0.44 and − 0.52, respectively. Predatory species like spiders and ladybird beetles displayed both antagonistic and complementary relationships with pests depending on the season. Notably, ants showed a positive relationship with aphids (0.32), highlighting mutualistic interactions. These findings emphasize the complexity of arthropod interactions in brinjal agroecosystems and underline the importance of integrating ecological insights into adaptive, sustainable pest management strategies amidst changing climatic conditions.</p> Graphical abstract <p></p>

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Effect of weather variables and guild interactions in the seasonal patterns of arthropod fauna in Solanum melongena agro-ecosystem

  • 期刊论文

  • 发表日期：

    2026年1月19日

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  • Ajoy Kumar Mukhopadhyay,
  • Soumya Sarathi Kundu,
  • Bimal Mondal,
  • Soumik Dey Roy

摘要

Crop health and pest dynamics in horticultural systems are significantly influenced by climate variability. This study investigated the seasonal patterns and ecological interactions of 73 arthropod species associated with eggplant cultivation at the Central Research Farm, Bidhan Chandra Krishi Viswavidyalaya, Gayeshpur, Nadia, West Bengal, India, over 11 consecutive cropping seasons from 2021 to 2023. Arthropods were categorized into ecological guilds: sucking, chewing, predatory, and ant groups. Key climatic factors such as temperature, humidity, and rainfall significantly impacted species abundance and interspecies relationships. For instance, mealybugs showed a significant positive correlation with rainfall (0.51) and humidity (0.53), while the brinjal shoot and fruit borer, whiteflies, and aphids exhibited higher populations under lower temperatures and humidity, with correlations of -0.44 and − 0.52, respectively. Predatory species like spiders and ladybird beetles displayed both antagonistic and complementary relationships with pests depending on the season. Notably, ants showed a positive relationship with aphids (0.32), highlighting mutualistic interactions. These findings emphasize the complexity of arthropod interactions in brinjal agroecosystems and underline the importance of integrating ecological insights into adaptive, sustainable pest management strategies amidst changing climatic conditions.

Graphical abstract