Characteristics of oviposition behaviour of the pollen beetle, Meligethes aeneus on four different host plants |
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Authors: | Annika Borg Barbara Ekbom |
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Affiliation: | (1) Department of Entomology, Swedish University of Agricultural Sciences, Box 7044, S-75007 Uppsala, Sweden |
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Abstract: | Oviposition behaviour of Meligethes aeneus F. (Coleoptera: Nitidulidae) is characterised and quantified on four different plant species. Six behavioural components are identified: W—walking, WA—walking with abdomen on surface, R—resting, B—biting, AOH—placing abdomen over the bite hole and OVI—oviposition. Comparison of host acceptance behaviours on Brassica napus L., Brassica juncea (L.) Czern, Brassica nigra (L.) Koch and Sinapis alba L. showed that S. alba was accepted as a host only after a long exposure to the plant. Behaviour on the Brassica species was similar, however on B. nigra beetles spent a high proportion of time actually ovipositing. We conclude that important cues for oviposition are located both on the bud surface and inside the bud. |
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Keywords: | host-plant choice Brassica napus B. juncea B. nigra Sinapis alba |
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