A rapid method to monitor parasitoid infestations in Drosophila suzukii populations
2023
Jan Dudzic | Jakob Martin | Annette Herz | Astrid Eben
Parasitoid wasps are efficient natural enemies of other insects. They are in focus as an important biological pest management element to control invasive pest species. While spreading into new areas these invasive pests are often followed by their natural parasitoids from their home regions. The monitoring of native and adventive parasitoids, and their success in controlling the pest populations in the field, is cumbersome and relies mainly on hatching experiments. Here, we present a rapid method to detect parasitoid infestations in the invasive agricultural pest Drosophila suzukii. We specifically amplified a hymenopteran 28S rRNA sequence from DNA or RNA extracted from fly pupae. This allowed the determination of parasitoid infestations at the species level.
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