Diversity of predatory coccinellids in rice field agroecosystem in Kampar Regency, Riau, Indonesia

Predatory coccinellids is usefull organism in pest controlling in rice field agroecosystem. The research aimed to study the diversity, richness, evenness and dominance of predatory coccinellids in rice field agroecosystem in Kampar regency, Riau. The research was conducted in rice field of Kampar regency and Laboratory of Pest, Faculty of Agriculture, Riau University, Pekanbaru, Riau, Indonesia from June to August 2024. Survey method was used in the study and locations were determined by purposive sampling method. Three districts were chosen for sampling locations, Bangkinang, Kampa and Kampar. In each district, three rice fields were determined for coccinellids collection. Predatory coccinellids were collected by using sweep net and hand picking. The data were analysed by using Shannon-Wienner index. The result showed that five predatory coccinellids were found, Coccinella transversalis, Harmonia octomaculata, Menochilus sexmaculatus, Verania discolor and Verania lineata. Diversity index of predatory coccinellids at low level (0.85), richness index at low level (0.66), evenness index at moderate level (0.53) and dominance index at low level (0.47). The conservation of these predatory coccinellids in rice field agroecosistem in Kampar regency should be done to supress brown planthopper population.

• Publication year

  2025

• Venue

  IOP Conference Series: Earth and Environment

• Publication date

  2025-03-01

• Fields of study

  Agricultural and Food Sciences, Physics

• Identifiers
  DOI 10.1088/1755-1315/1469/1/012014
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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