Scientists Glued Fake Caterpillars On Plants Worldwide. This Is What Happened – NPR

Any ant, slug, lizard, bird or beetle that attacked the soft clay caterpillars left telltale bite marks which were later examined with a lab in Finland.

The pattern was driven by small predators like ants instead of wild birds or mammals. “It’s really reinforced the concept that insects are much more important,” states Yves Basset, in the Smithsonian Tropical Research Institute in Panama.

In addition, scientists are now able to find out whether caterpillars have a tendency to focus their defenses on insects, instead of on mammals or wild birds.

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