Insecticide use is a major factor causing a decrease in the size and diversity of butterfly populations across the US Midwest, according to a new study.
Insecticide use is a major factor causing a decrease in the size and diversity of butterfly populations across the US Midwest, reports Braeden Van Deynze of the Washington Department of Fish and Wildlife and colleagues in a new study published June 20 in the open-access journalLike many insects, butterfly populations worldwide are in decline.
The study shows that the shift from reactive insecticides, which are applied after an infestation begins, to a prophylactic insecticide applied to crop seeds has had a negative effect on butterfly diversity and population sizes in the Midwest. The researchers call for publicly available, reliable, comprehensive and consistently reported pesticide use data, particularly for neonicotinoid seed treatments. They say this data is needed to fully understand the causes of butterfly decline.
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Insecticides contribute to drop in butterfly species across US MidWest: StudyInsecticide use is a major factor causing a decrease in the size and diversity of butterfly populations across the US Midwest, reports Braeden Van Deynze of the Washington Department of Fish and Wildlife and colleagues in a study published June 20 in the open-access journal PLOS ONE.
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