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Boosting the numbers of a tiny parasitic wasp could help control the brown marmorated stink bug (Halyomorpha halys), an invasive pest threatening crops including apples, cherries and corn.
In the first large-scale European field trial of a biological control against H. halys, mass releases of the wasp (Anastatus bifasciatus) in parts of northern Italy increased parasitism of the bug’s eggs. The wasp, which is native to Europe, lays its eggs inside the eggs of the pest, where its young develop by feeding on the host egg.
of Bioplanet,…
