Invading beetles mummified by stingless bees

 作者:皇籽颛     |      日期:2019-03-08 06:09:02
IT IS not so much eternal life, more a case of instant death. Parasitic beetles that invade the hive of certain stingless bees end up entombed forever in resin. “They’re stopped in their tracks, and they dehydrate and shrivel up like a mummy,” says Mark Greco of the Swiss Bee Research Centre in Berne, who discovered this behaviour in a species of Australian stingless bee, Trigona carbonaria, living in the wild. To investigate this peculiar defence, Greco’s team put parasitic small hive beetles, Aethina tumida, near the entrance of laboratory beehives. Guard worker bees instantly attacked the parasites,