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The food plant preferences of Phratora vitellinae (Coleoptera: Chrysomelidae): A. Field observations by M. Rowell-Rahier is a Environmental Science article available to read on EtoBox.

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In the Upper Rhine (Petite Camargue, Saint Louis, France) study site, Ph. vitellinae are found mainly on Salix nigricans on which they are bivoltine. Some beetles are occasionally observed on S. purpurea, especially in Spring, but never on S. alba, S. caprea and S. cinerea. In other European localities, S. nigricans or S. hegetschweileri at higher elevations are frequently recorded as host-plants. However, some populations are also found on S. purpurea, P. tremula and P. trichocarpa x deltoïdes, usually when neither S. nigricans nor S. hegetschweileri are present.All the Salicaceae on which Ph. vitellinae was observed in the field have leaves rich in phenylglycosides and with glabrous lower surfaces, at least in Spring. Ph. vitellinae was never recorded on those Salix species with leaf undersurfaces densely covered with trichomes.At the time of emergence of the beetles from hibernation, S. nigricans leaves are more developed than those of S. purpurea and S. cinerea. Moreover, those S. nigricans trees with the longer shoots in Spring support the largest number of beetles at their emergence. The preference of Ph. vitellinae for S. nigricans might be reinforced by these plenological d

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Author

M. Rowell-Rahier

Publisher

Springer-Verlag; Springer Verlag; Springer Science and Business Media LLC (ISSN 0029-8549)

Published

1984

Language

EN

Field

Environmental Science (Physical Sciences)