A new study reveals significant impacts from insecticide use US butterfly populations, signaling broader risks to ecosystem health. The research highlights a 22% drop in butterfly abundance between 2000 and 2020. This decline raises critical questions about the health of our ecosystems and the role of chemical use.
The study utilized data from 35 monitoring programs, analyzing 554 butterfly species. They found that 107 species have lost over half their populations. The average annual decline of 1.3%, underscores the vulnerability of these vital indicator species and the health of the environment.
The study points to insecticide use as a primary driver of butterfly decline. Overuse of insecticides not only harms butterflies directly but also disrupts the broader food web and ecosystem functions. These insects play vital roles as pollinators (e.g., supporting agricultural productivity) and food sources.
The findings underscore the need for sustainable practices that reduce insecticide use including: promoting integrated pest management, restoring natural habitats, and implementing policies that protect biodiversity.
Read the full study here.
