What were the small white creatures that crawled from the body of a dead fly?

  • 4 Replies
  • 3026 Views

0 Members and 1 Guest are viewing this topic.

*

Jakub Liu

  • Guest
Jakub Liu asked the Naked Scientists:

Hi Dr.Chris,

my name is Jakub, 8.5 years old. I have the following question: Once I killed a fly, then I saw white creatures crawling out of its body, looking like slugs. What were they?

Regards, Jakub

What do you think?

*

blakestyger

  • Guest
Did they crawl out or were they ejected when the fly was squashed - I've seen this happen and they were, in that case, the eggs that the fly would have laid sometime later. I'd really need to have seen it to be sure and I may be wrong and there is another explanation - we'll see what turns up.

*

Offline chris

  • Neilep Level Member
  • ******
  • 5388
  • The Naked Scientist
    • View Profile
    • The Naked Scientists
Do any flies rear their young inside their bodies? Could these have been future progeny?

Female flies certainly carry with them a supply of sperm conserved from their last mating. This is used to fertilise eggs subsequently, or until another mating takes place. The penis of male fruit flies is equipped with a digging tool to enable them to root out from the female any sperm already present to  enable them to "displace" the genes of competitors.

Chris
I never forget a face, but in your case I'll make an exception - Groucho Marx

*

blakestyger

  • Guest
The penis of male fruit flies is equipped with a digging tool

Like a sort of Swiss Army penis - the possibilities are endless.

*

Offline rosalind dna

  • Neilep Level Member
  • ******
  • 2019
    • View Profile
They might be the eggs of the fly or maggots which look like
transparent earth worms.
Rosalind Franklin was my first cousin and one my life's main regrets is that I never met this brilliant and beautiful lady.
She discovered the Single DNA Helix in 1953, then it was taken by Wilkins without her knowledge or agreeement.