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Effect of plant species and organic matter on feeding behavior and weight gain of larval black beetle heteronychus arator coleoptera scarabaeidae



Effect of plant species and organic matter on feeding behavior and weight gain of larval black beetle heteronychus arator coleoptera scarabaeidae



New Zealand Journal of Zoology 4(4): 445-448



The effect of ryegrass (Lolium perenne), white clover (Trifolium repens), and Lotus pendunculatus on the movement and feeding behavior of 3rd-instar larvae of H. arator (Fabricius) and the influence of organic matter on these responses were studied. In choice chamber tests larvae did not aggregate at plant roots but did so at organic matter (sieved horticultural peat). Weight gain was greater on ryegrass than on white clover or lotus. Organic matter stimulated feeding and increased weight gain. Evidence for both plant roots and organic matter being phagostimulants is discussed.

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Accession: 005262095

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