Garuda - Garba Rujukan Digital

Jurnal Perlindungan Tanaman Indonesia

Vol 2, No 2 (1996)

F. X. Wagiman (Fakultas Pertanian Universitas Gadjah Mada)

Publish Date
21 Dec 1996

Laboratory and field-cage experiments were conducted at the Universiti Pertanian Malaysia. Objective of the study was to determine the functional response of Menochilus sexmaculatus Fabricius (Coleoptera: Coccinellidae) predating on chilli aphid Aphis gossypii Glover (Homoptera: Aphididae). The larvae and adults of the predaceous coccinellid exhibited the Hulling's Type II functional response. A first instar of the coccinellid predating on single first instar of the aphid within 24.6 minutes in the laboratory and 16.8 minutes in the field. While a fourth instar and an adult of the coccinellid predating on single fourth instar of the aphid within 4.2 and 1.5 minutes respectively.

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