What is it about?

When applied in the field, plant protection products can also enter the soil and harm beneficial soil-dwelling animals. The commonly used insecticide Trebon (ai. etofenprox) activates stress genes in the beneficial decomposer species Folsomia candida (Collembola). This activation is also transgenerationally inherited so that it appears in the offspring even if only the parental generation is affected by the insecticide and not the offspring.

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Why is it important?

We have shown that the stress induced by insecticide treatment on the parental generation can be heritable and affect the population dynamics of the offspring generation even if the two offspring generations were not exposed to the insecticide. This implies that a single insecticide treatment has long-term, intergenerational effects. This fact is not currently taken into account in environmental risk assessments, but should soon be incorporated into risk assessment procedures.

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This page is a summary of: Transgenerational and multigenerational stress gene responses to the insecticide etofenprox in Folsomia candida (Collembola), Ecotoxicology and Environmental Safety, July 2019, Elsevier, DOI: 10.1016/j.ecoenv.2019.03.052.
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