Legacies, hard boundaries and adaptation to temperature extremes explain the variation of temperature tolerance across the tree of life

Ectothermic organisms rely on their surrounding conditions to maintain temperatures within a range that optimizes essential activities such as running, foraging and reproducing. Beyond this range, their performance or fitness decreases with a particularly fast loss of performance at high temperatures.

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Read more about the article The lesser of two weevils? How insect thermal traits can help to understand biocontrol success and failure
Neochetina eichhorniae - outstanding in its field. Photo credit: Centre for Biological Control

The lesser of two weevils? How insect thermal traits can help to understand biocontrol success and failure

Water hyacinth (Eichhornia crassipes) is a widespread invasive species impacting a range of ecosystem services in South Africa, especially water quality and availability. To better control this aquatic weed, several biocontrol agents have been released – unfortunately with mixed success.

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