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Related Experiment Videos

Evaluation of the effect on arthropod populations by using deltamethrin to control Phloeotribus scarabaeoides Bern.

Estefanía Rodríguez1, Aránzazu Peña, Aniceto J Sánchez Raya

  • 1Estación Experimental del Zaidín, CSIC. C/Profesor Albareda, E-18008, Granada, Spain. estefania.rodriguez@eez.csic.es

Chemosphere
|May 6, 2003
PubMed
Summary

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Field tests evaluated deltamethrin insecticide, with and without ethylene attractant, for controlling the olive bark beetle. The combined treatment (D+E) showed the greatest impact on beneficial arthropod populations, highlighting the need for careful application timing.

Area of Science:

  • Agricultural Entomology
  • Pest Management
  • Ecotoxicology

Background:

  • The olive bark beetle (Phloeotribus scarabaeoides) is a significant pest in olive orchards.
  • Pyrethroid insecticides, such as deltamethrin, are used for pest control.
  • Ethylene can act as an attractant for the olive bark beetle.

Purpose of the Study:

  • To evaluate the impact of deltamethrin (D) and deltamethrin combined with ethylene (D+E) on arthropod fauna in olive orchards.
  • To assess the effectiveness of these treatments in controlling the olive bark beetle.
  • To determine the optimal timing for insecticide application to minimize harm to beneficial insects.

Main Methods:

  • Field tests were conducted in olive orchards in Granada and Jaén, Andalusia, Spain.

Related Experiment Videos

  • Treatments included deltamethrin (D) and deltamethrin plus ethylene (D+E) applied to create barrier effects.
  • Arthropod fauna were captured and categorized into trophic groups: parasitoids, predators, and phytophagous insects.

    • Main Results:

    • A knock-down effect on all functional groups was observed initially with both treatments.
    • Arthropod abundance followed the trend: D+E > D > Control (C), with significant differences for predators and phytophagous insects.
    • Parasitoids of Prays oleae and key predator groups (ants, cantharids, coccinellids, mirids) were most affected by the treatments.

    Conclusions:

    • The combined deltamethrin and ethylene treatment (D+E) had a greater impact on beneficial arthropod populations than deltamethrin alone.
    • Insecticide application timing is crucial to minimize adverse effects on beneficial insect populations in olive agroecosystems.
    • Further research is needed to optimize application strategies for integrated pest management in olive cultivation.