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How many types of insects are there in the world?

There are more kinds of insects than there are mammals, birds and plants combined:
buff.ly/lRTohty

in reply to The Conversation U.S.

Not nearly enough???
Insects are the most numerous and widespread class in the animal kingdom, accounting for up to 90% of all animal species.[2][3] In the 2010s, reports emerged about the widespread decline in insect populations across multiple insect orders. The reported severity shocked many observers, even though there had been earlier findings of pollinator decline. There have also been anecdotal reports of greater insect abundance earlier in the 20th century.