Related topics: species · insects

Scientists alarmed by bark beetle boom

Bark beetles are currently responsible for killing an unprecedented number of trees in forests across Europe and North America. Why the beetle populations first explode to decline naturally after a few years is largely unknown. ...

New species of loquat-killing beetle identified

If you live in an area where winter temperatures routinely drop below freezing, you may have never even heard of the evergreen loquat tree and its delicious fruit. But it may be troubling to hear that a new bark beetle pest ...

Dung beetles use wind compass when the sun is high

Researchers have shown for the first time that an animal uses different directional sensors to achieve the highest possible navigational precision in different conditions. When the sun is high, dung beetles navigate using ...

Destructive insect outbreaks and cod collapse

When fundamental changes started to happen in three ecosystems in North America, people reacted: They completely stopped pollution, forestry and fishing. But these measures were futile; it was impossible to bring the ecosystems ...

Parasites dampen beetle's fight or flight response

Beetles infected with parasitic worms put up less of a fight against simulated attacks from predators and rival males, according to a study by Felicia Ebot-Ojong, Andrew Davis and Elizabeth Jurado at the University of Georgia, ...

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