Chemical signals from fungi tell bark beetles which trees to infest

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Chemical signals from fungi tell bark beetles which trees to infest
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“Conifers are full of resin and other stuff that should do horrible things to insects…. But bark beetles don’t seem to mind at all.”

Grosmannia

This is surprising because researchers had previously assumed that invading fungi hardly changed the chemical profile of trees, says Jonathan Cale, a fungal ecologist at the University of Northern British Columbia in Prince George, Canada, who was not involved with the research.Later experiments revealed that bark beetles can detect many of these fungi-made chemicals.

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