Rapid death of insects a precursor for catastrophic collapse of ecosystems?

Business Insider reports a recent loss of insects may be more of a threat than may be believed. Studies suggest this could trigger a "catastrophic collapse of Earth's ecosystems." The research looked at 73 historical reports on insect declines around the world and discovered the total mass of all insects is decreasing by 2.5% each year. This means the Earth may not have any insects at all by 2119, which could significantly affect ecosystems worldwide.
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