Their success is unparalleled, which makes their disappearance all the more alarmingThirty-five years ago an American biologist Terry Erwin conducted an experiment to count insect species. Warning of 'ecological Armageddon' after dramatic plunge in insect numbers Read moreYes, 30 million. Erwin reported that he was shocked by his conclusions and entomologists have argued over them ever since. Secondly, for the overwhelming majority of insect species, there is no monitoring or measurement of numbers taking place. The insect world was falling apart.

Source: The Guardian October 21, 2017 06:56 UTC