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While there are some trends suggesting insect abundances overall are decreasing, there is a general fear that problems with pest insects will increase in the future. The logic is simple – insects are ectothermic and should thereby be favored by ongoing climate warming. It is however not that easy to predict future damage of pest insects, according to an international research group led by Philipp Lehmann from the Department of Zoology. Researchers studied about 30 of the worst global insect pests and found a great variety of responses to climate change.

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