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Whats happening to this bee?

Spotted this bee this morning in the garden. It seemed a little confused and then crawled onto the underside of a leaf. Then something started to come out of its back end.

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  • josusa47josusa47 Posts: 3,532
    edited May 2020
    It has been parasitised by another insect.  Some insects have a sharp ovipositor which enables them to lay eggs inside another living creature.  When the eggs hatch, the larvae feed on the unfortunate host's insides and then emerge, which is what you saw happening.  It is usually fatal for the host.  Well done for being on the spot with a camera, they are extraordinary photographs.
  • First, it is not a bee, it is a hoverfly, but I cannot tell which species. 
    What you see is merely the male genitalia - see page 150 here for similar examples.

    https://www.zoologicalbulletin.de/BzB_Volumes/Volume_66_2/145_165_BzB66_2_Steenis_et_al.pdf
  • wild edgeswild edges The north west of south east WalesPosts: 8,045
    merely the male genitalia
    Try telling that to the lady hoverflies :# 
    Have you got any photos showing the back of the fly @gavpre ?

    Some people bring joy wherever they go. Others, whenever they go. - Mark Twain.
  • gavpregavpre Posts: 33
    edited May 2020

    Not the best pictures as it was upside down and i didnt want to disturb it.
    I didnt think hoverflies were this big.
  • gavpregavpre Posts: 33
    Can anyone confirm if this is a bee or hoverfly
  • DovefromaboveDovefromabove Central Norfolk UKPosts: 79,492
    Hoverfly

    https://nearbywild.org.uk/quick-guides-▾/bee-bee-fly-or-hoverfly/
    “I am not lost, for I know where I am. But however, where I am may be lost.” Winnie the Pooh







  • gavpregavpre Posts: 33
    Thank you
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