Article
Demic structure and its relation with the distribution of an adaptive trait in Danish flea beetles.
Molecular ecology - 1 May 2001
De Jong P W, De Vos H, Nielsen J K
Abstract excerpt
The flea beetle Phyllotreta nemorum is an oligophagous species using crucifers as host plants. In Denmark two populations have been found which use Barbarea vulgaris ssp. arcuata (G-type) as a host plant, whereas this plant is unsuitable for the survival of the majority of P. nemorum. In the locations in which these two populations occur, alternative host plants are also present. The plants occur in patches, some...
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