Estimated number of insects on earth at a given moment

Value 1E+18 Unitless
Organism Insect
Reference Bert Holldobler and Edward Wilson, Journey to the Ants: A Story of Scientific Exploration, 1994. Page 1
Comments From page 1: "British entomologist C. B. Williams once calculated that the number of insects alive on Earth at a given moment is 10^18". Note-other sources give a value one or two orders of magnitude greater than this. Better ref needed. For 14,097 ant species see link
Entered by Uri M
ID 104961