A global butterfly index could advance insect conservation worldwide

By Federico Riva, Assistant Professor, Department of Biology, Carleton University

About 70 per cent of the species on Earth are insects. They are fundamental components of most ecosystems: they comprise half of the biomass on the planet, pollinate flowers, decompose dead organic matter and play multiple roles in food webs. They are quite literally everywhere, including in and around our homes, but they have also been declining at alarming rates in many places.

The societal implications of this potential “insectageddon”…

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