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Author Topic: Why has a swarm of flies appeared suddenly in my house?  (Read 517 times)

Offline thedoc

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Cate asked the Naked Scientists:

I have noticed large quantities of flies coming in and yet my window seems to be closed.

What attracts them?

What do you think?
« Last Edit: 28/05/2016 10:23:01 by chris »


 

Offline SquarishTriangle

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Re: What attracts flies inside?
« Reply #1 on: 28/05/2016 03:07:39 »
You're not keeping a corpse in your house, are you?
 

Online chris

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Re: What attracts flies inside?
« Reply #2 on: 28/05/2016 10:14:04 »
I have noticed large quantities of flies coming in and yet my window seems to be closed.

As alluded to above by SquarishTriangle, usually an explosion of flies signifies that something has died somewhere nearby. Flies are extremely good at tracking down potential food sources for their progeny and all it takes is one to land on a mouse corpse and lay a clutch of eggs and not long later a swarm emerges.

I suspect that this is what has happened to you. Perhaps a bird or mouse has found its way into the roof, ceiling or under-floor space in your house and perished in situ?
 

The Naked Scientists Forum

Re: What attracts flies inside?
« Reply #2 on: 28/05/2016 10:14:04 »

 

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