Insect Populations Are Collapsing Even in Protected Forests

Insects are vanishing at alarming rates—even in the last places we thought were safe. According to a new report in The Guardian by Tess McClure, ecologists like Daniel Janzen and Winnie Hallwachs have recorded a dramatic collapse of insect life in Costa Rica’s Guanacaste Conservation area—an otherwise pristine ecosystem untouched by pesticides or urbanisation.

Back in the 1970s, Janzen’s light traps would attract tens of thousands of moths. Today, those same traps, in the exact same location, draw only a few fluttering survivors. The eerie silence is echoed across the globe. In Germany, 75% of flying insects in nature reserves have disappeared. In the US, beetle populations have dropped by 83%, and in Puerto Rico, insect biomass is down by as much as 60-fold.

This isn’t just about bugs. Birds, lizards, and bats that rely on insects for food are disappearing too. In Panama’s protected forests, 70% of bird species have declined. Nectar bats are starving. Flowers aren’t blooming. Everything is falling out of sync.

What’s behind this? Climate change. Once, habitat destruction and pesticides were the main threats. Now, global heating is disrupting rain cycles, extending dry seasons, and making survival impossible for many insects whose bodies can’t hold water. “The killer,” says entomologist David Wagner, “is actually water.”

This is more than another environmental issue—it’s the collapse of the living systems that Support our world. And it’s happening now.

If we want to save insects—and everything that depends on them—we must take real action. Support rewilding, say no to pesticides, push for strong climate policies, and choose plant-based lifestyles that reduce habitat destruction. Every species we protect helps hold up the web of life. Don’t wait until the forest is quiet.

Video Source: Curiosity Stream/Youtube

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