Counting project reveals forest’s bug diversity

An international effort has put together the first tally of all the species of butterflies, beetles, ants, bees, roaches and their fellow arthropods that live in a tropical forest. And the count: 25,000.
Arthropods represent a big chunk of the diversity of species on Earth, but biologists analyzing such basic questions as how forest ecosystems will respond to climate change haven’t had much solid data on what’s really scurrying, flying and buzzing through those forests. To get a better sense, a team of 102 researchers from 21 countries sampled arthropods in the San Lorenzo forest, a 60-square-kilometer tropical forest in Panama.
Researchers collected samples from the soil on up to the treetops using professional tree climbers, a crane, even a helium-filled balloon to extend their reach. Then came eight years of determining the species for 129,000 individual specimens.


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