Hi, Frank Indiviglio here. I’m a herpetologist, zoologist, and book author, recently retired from a career spent at several zoos, aquariums, and museums, including over 20 years with the Bronx Zoo. Some might answer “as food for our reptiles, amphibians and arachnids”, while others would perhaps offer the standard “pollination” reply. Legendary entomologist E.O. Wilson, however, simply states: “If insects were to vanish, the environment would collapse into chaos”. He adds: “If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago”.
Yes, it is true – despite our technological advances, life would grind to a halt were insects to disappear. The reasons for this are staggering in both their simplicity and complexity. Today I’d like to highlight few fun facts that have surprised me – for example, can you believe that the weight of insects in typical central African rainforests exceeds that of all vertebrates combined? Think about that –taken together, these tiny creatures outweigh the total mass of all resident forest elephants, gorillas, birds, reptiles and other animals with backbones! Read the rest of this article here Why Do We Need Insects? - Some Amazing Facts and Figures
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My Bio, with photos of animals I’ve been lucky enough to work with: That Pet Place Welcomes Frank Indiviglio | That Reptile Blog

Best Regards, Frank