Diurnal patterns of abundance of aphidophagous lady beetle species on chili (Capsicum annuum L.)

Md Touhidur Rahman, I. Bin Abd Ghani, M.R.M. Noor

    Research output: Contribution to journalArticle

    Abstract

    The influence of temperature on the diurnal activity of five species of aphidophagous lady beetles (Coleoptera: Coccinellidae) was investigated between 0700 and 1900 h in chili (Capsicum annuum L) agroecosystems and neighboring vegetation (goose grass, Eleusine indica L.). The lady beetle species observed were Menochilus sexmaculatus Fabricius, Coelophora inaequalis F., Coccinella transversalis F., Harmonia octomaculata F. and Coelophora bissellata Mulsant. More lady beetles (of all species) were found during cooler periods (at 0700, 0900, 1100, and 1900 h). The diurnal pattern of lady beetle adult was temperature dependent. On chili plants, numbers were higher at temperatures between 22 to 30 degrees C (at 0700, 0900, 1100 and 1900 h) and numbers decreased when temperatures were above 30 degrees C. When temperature was above 30 degrees C under the chili plant canopy, numbers were higher in neighboring goose grass, where temperatures were cooler (
    Original languageEnglish
    Pages (from-to)237-241
    JournalJOURNAL OF ASIA-PACIFIC ENTOMOLOGY
    Volume14
    DOIs
    Publication statusPublished - 2011

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