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Part of the disappearing bee mystery may have been solved: They were turned into ZOMBEES

DON’T BLINK

For years, scientists in both North America have been trying to figure out what has been killing off bees. Environmental changes? Pollution? Aliens? The actual answer however, could be more sinister: Flies that have learned they can attack the bees, turning them into ZOMBEES by laying eggs in their body. The bees then leave the colony, going on a flight of the living dead, where the eggs hatch and look for more bees.

This is only one possibility, since so far, the parasite has only been detected in California and South Dakota, but the bees have no natural defense against the flies. But if it turns out to be an emerging parasite, that “underlines the danger that could threaten honey bee colonies throughout North America,” said the study led by San Francisco State University professor of biology John Hafernik.

Hafernik made the discovery by accident, when he foraged some bees from outside a light fixture at the university to feed to a praying mantis he’d brought back from a field trip.

“But being an absent-minded professor, I left them in a vial on my desk and forgot about them. Then the next time I looked at the vial, there were all these fly pupae surrounding the bees,” he said.

Soon, the bees began to die, but not in the usual way by sitting still and curling up. These bees kept trying to move their legs and get around, but they were too weak, said lead author Andrew Core, a graduate student in Hafernik’s lab.

“They kept stretching them out and then falling over,” said Core. “It really painted a picture of something like a zombie.”

Further study showed that bees that left their hives at night were most likely to become infected with the fly parasite, identified as Apocephalus borealis.

Once bees were parasitized by the fly, they would abandon their hives and congregate near lights, a very unusual behavior for bees.

“When we observed the bees for some time — the ones that were alive — we found that they walked around in circles, often with no sense of direction,” said Core.

The parasite lays its eggs in the bee’s abdomen. About a week after the bee dies, the fly larvae push their way into the world, often exiting from between the bee’s head and mid-section.

The research, which has also confirmed that the same flies have been parasitizing bumblebees, won local excellence awards when it was first presented last year.

Next, the team hopes to find out more about where the parasitization is taking place, and whether the “zombie bees” leave the colony of their own accord or if their disease is sensed by comrades who then push them out.

Researchers plan to use tiny radio tags and video monitoring to find clues to the mystery.

“We don’t know the best way to stop parasitization, because one of the big things we’re missing is where the flies are parasitizing the bees,” Hafernik said.

“We assume it’s while the bees are out foraging, because we don’t see the flies hanging around the bee hives. But it’s still a bit of a black hole in terms of where it’s actually happening.”

Via


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  1. darthsamurai reblogged this from iheartchaos
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  4. xosteve reblogged this from iheartchaos and added:
    THIS GODDAMN PICTURE MADE ME CRINGE SO FUCKING HARD
  5. jbgillundsworld reblogged this from iheartchaos
  6. thedreadnixon reblogged this from iheartchaos and added:
    There’s a fungus that turns ants into zombies and now this:
  7. iheartchaos posted this

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