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  1. Oviposition site preferences by <em>Helicoverpa armigera</em> (Lepidoptera: Noctuidae): effect of season and density on distribution of eggs on plants

    Oviposition site preferences by Helicoverpa armigera (Lepidoptera: Noctuidae): effect of season and density on distribution of eggs on plants

    Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E.S. Zitsanza --- Department of Crop Science, Zimbabwe D.P. Giga --- , Zimbabwe J.D. Knight --- Department of Environmental Science and Technology, UK
    In an attempt to improve field sampling of the African bollworm, Helicoverpa armigera (Hübner), oviposition behaviour of the pest on tomato plants was investigated. From limited studies conducted in the past, variation in oviposition sites preferences by H. armigera is...
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  2. Intraspecific host preferences of mopane moths (<em>Imbrasia belina</em>) in mopane (<em>Colophospermum mopane</em>) woodland

    Intraspecific host preferences of mopane moths (Imbrasia belina) in mopane (Colophospermum mopane) woodland

    Item type: Journal Article • Journal: African Zoology • Authors: Halszka Hrabar --- Department of Zoology and Entomology, South Africa Dawood Hattas --- Department of Botany, South Africa Johan T. du Toit --- Department of Zoology and Entomology, South Africa
    Colophospermum mopane trees are a common larval food plant of the mopane moth (Imbrasia belina),which commonly reaches outbreak proportions. Our study investigated factors determining host tree choice by ovipositing mopane moths within a single host species (C. mopane). Tree size...
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