The evolution of lethal fighting in a spider mite

While fighting over females is common among male animals in the wild, these fights rarely result in death. You can't pass on your genes when you're dead or badly injured. So why do the males in some colonies of the tiny spider ...

Honey bee parasites feed on fatty organs, not blood

Honey bee colonies around the world are at risk from a variety of threats, including pesticides, diseases, poor nutrition and habitat loss. Recent research suggests that one threat stands well above the others: a parasitic ...

Researchers discover new male variant of bulb mite

The bulb mite (Rhizoglyphus robini) is a common pest of numerous crops. Male bulb mites display one of two reproductive tactics and are classified as "fighters" and "scramblers." Biologists from the University of Amsterdam ...

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