New estimate: Earth has 14 to 20 million insect species

For 40 years, we thought Earth was home to six million insect species. Turns out, it could be three times that. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Insect species make up the largest percentage of Earth's known species. Breakthroughs, discoveries, and DIY tips sent six days a week.