Aphid Control with Parasitic Wasps (Aphidius abdominalis)

Aphelinus abdominalis is a parasitic wasp used for the biological control of aphids. It is particularly effective against species such as potato aphid (Macrosiphum euphorbiae) and glasshouse potato aphid (Aulacorthum solani). By targeting aphids from the inside and through host feeding, this natural enemy helps growers protect crops in a sustainable and reliable way.

How does Aphelinus abdominalis work?
• Actively searches for aphids and assesses suitable hosts.
• Lays its eggs inside aphids, where the developing larva feeds internally.
• Parasitized aphids turn into black, elongated mummies, stopping feeding and development.
• Adult wasps emerge and continue the cycle, providing ongoing aphid control.
• Also feeds directly on aphids (host feeding), increasing overall pest suppression.

Why use Aphelinus abdominalis for aphid control?
• Effective against key aphid species, especially in hotspot infestations.
• Dual action (parasitism + host feeding) enhances control efficiency.
• Performs well at higher temperatures compared to some other parasitic wasps.
• Suitable for preventive use and curative strategies.
• A sustainable, residue-free solution compatible with Integrated Pest Management (IPM) programs.

Learn more about Aphelinus abdominalis and how it can support effective aphid control in your crop:
https://www.koppert.com/crop-protection/biological-pest-control/parasitic-wasps/aphelinus-abdominalis/

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