Earth could have over 20 million insect species, leaving most still unknown to science

A groundbreaking study suggests Earth may host up to 20.3 million insect species, significantly more than the previously estimated 6 million. Researchers conducted extensive surveys in Costa Rica, scaling findings to a global level. This revelation highlights the vast unknown biodiversity and underscores the urgent need for insect conservation amidst alarming population declines due to human activities.