Oberea erythrocephala, the leafy spurge stem boring beetle or red-headed leafy spurge stem borer is a species of longhorn beetle that is a biological control agent for leafy spurge. It is an effective killer of the pest but only works on certain strains of leafy spurge, namely the subgenus Esula of the genus Euphorbia. Because of this, the beetle is considered as secondary in leafy spurge control to five species of Aphthona flea beetle.

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