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Simultaneous identification of multiple thrips species (Thysanoptera: Thripidae) from sticky traps using DNA metabarcoding.

Europe PMC · 2026-06-17

Scientists developed a DNA-based method to identify multiple thrips pest species at once from sticky traps, achieving detection down to 0.1% abundance and identifying up to nine species from a single sample — even from traps stored up to two years.

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The DNA metabarcoding method detected individual thrips species at a relative abundance as low as 0.1% within mixed insect samples.

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Up to nine thrips species were simultaneously identified from a single sticky trap, including samples up to two years old.

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A curated reference database of 70 specimens revealed errors in public DNA databases, correcting misidentified thrips sequences that would otherwise produce wrong pest identifications.

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