Potential Natural Enemy of The Pest Brontispa longissima Gestro on Coconut Plants in North Minahasa District
Abstract
Inhibiting factors in efforts to increase coconut production in Indonesia include pest and disease attacks. One type of pest that attacks coconut plants is Brontispa longissima Getro. The coconut leaf beetle Brontispa longissima is one of the main pests that attacks almost all stages of coconut growth and can cause up to 40% leaf damage. Damage to the leaves will result in a loss of coconut production of up to 50%. The research aims to determine the potential natural enemies of the pest Brontispa longissima. The research was conducted in 3 villages in North Minahasa Regency. The population of each stage of development of Brontispa longissima varies with the average population of larval development being 43.68% followed by pupae 24.24%, imago 16.17% and the lowest population namely eggs 15.91%, with the natural enemy found being the pupal parasitoid Tetrastichus brontispae (Hymenoptera: Eulophidae), the entomopathogenic fungus Metarhizium anisopliae, and predators cocopet Celisoches morio (Dermaptera: Celisochidae). The most common natural enemy found is the cocopet C morio.
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References
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