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August 17, 2025AcarologiaOpen Access

Evaluation of different larval instars and predator-prey release ratio of indigenous generalist predator, common green lacewing, Chrysoperla carnea, for the management of two-spotted spider mite, Tetranychus urticae, on cucumber, Cucumis sativus crop in greenhouses

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Authors

HAHafiz Muhammad Sajid AliMKMuhammad KamranFAFahad Jaber Alatawi

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Overview

Observational analysis revealed 2nd instar Chrysoperla carnea effectively reduces Tetranychus urticae in cucumber, highlighting optimal predator-prey release ratios.

Key Points

  • The 2nd instar larvae of Chrysoperla carnea achieved a 79% reduction in Tetranychus urticae population after 12 days.
  • Population reductions of 66%, 61%, and 24% were recorded at release ratios of 1:30, 1:60, and 1:90 respectively after 12 days.
  • Larval instars of Chrysoperla carnea were evaluated for their effectiveness against Tetranychus urticae in greenhouse-grown cucumbers.
  • Less visual damage and webbing were observed with the 1:30 release ratio of 2nd instar larvae, indicating effective pest management.

Cite This Study

Ali et al. (2025) studied this question.

synapsesocial.com/papers/68a36f8a0a429f79733323dfhttps://doi.org/10.24349/lf2w-eh0c
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Behavioural Response and Predation Efficiency of Generalist Predator, <i>Chrysoperla carnea</i> (Stephens) (Neuroptera: Chrysopidae) Larvae to Different Webbing Densities of <i>Tetranychus urticae</i> Koch (Acari: Tetranychidae)2026
  2. 2Comparative evaluation of biological control programs and chemical pesticides for managing insect and mite pests in cucumber greenhouses: a sustainable approach for enhanced pest control and yield2024 · 2 citations
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  4. 4Simultaneous suppression of Polyphagotarsonemus latus and Tetranychus urticae by Neoseiulus californicus on greenhouse pepper2026
  5. 5Using predatory species and entomopathogenic fungi as alternatives to chemical pesticides in green bean field2024 · 1 citations