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Sudden fly infestation

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Sudden fly infestation

Postby Behnam91 » Mon Jul 28, 2008 7:23 pm

Hello. Today, my biology professor was late to class and later went on to explain that she had a weird infestation of flies in her apartment. She began by saying that she always leaves her balcony door open, but only a few inches so that her cats may go in and out. She turns all the lights off when she leaves, so as not to attract a load of insects. The poor woman got home very late last night and when she opened her bathroom door, she found hundreds of these giant flies in there. She said they must've been a half-inch long, and that they were normal flies, but very fast. She had them all over her house, but she also mentioned that there was a decaying mole in her file cabinet which she found the day before. Her cats bring all sorts of dead stuff into her house, but she has never had the misfortune of a random explosion of flies. She said that there were no flies in her house the day before, and that the mole had been in the house long enough to where it let out a fume which she used to find it. The class discussed the problem, and I concluded that the flies were already in her house, because there were no other kinds of insects there before, and no lights on. If it was because of light, she should've had dozens of kinds of insects, not just one kind of fly. Ultimately that's where the discussion ended. No one could think of how the flies got in her house, other than them coming from the dead mole. I feel so bad for her. She's the best professor I've had, and just about every one of her students in this class is trying to research on how this could've happened. I'd appreciate it if you guys could help me in figuring out how hundreds of flies suddenly showed up. Thank you!
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Postby MichaelXY » Mon Jul 28, 2008 9:54 pm

Open window + rotting carcuss + kitty litter box---> Flies

Not balanced of course.
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Postby Behnam91 » Mon Jul 28, 2008 11:21 pm

I agree that it's not balanced, but the rotting carcus was in a closed file cabinet, and the flies were in the BATHROOM not in the cabinet. Any answers worth reading?
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Re: Sudden fly infestation

Postby MichaelXY » Tue Jul 29, 2008 12:21 am

If the windows are left open, the flies will come in. They are attracted to the scents that emanate from a bathroom, scents often not percieved by the human olfactory.

I too have a cat, I did not want flies coming in, but wanted my cat to be able to get out. My solution was to buy a doggy door that fit into my sliding glass door. I used one such as shown in the link.
http://www.homedepot.com/webapp/wcs/sto ... =100404339

This would be my suggestion.
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Postby mith » Tue Jul 29, 2008 4:27 am

maggots, the mole might already be dead and infested
Living one day at a time;
Enjoying one moment at a time;
Accepting hardships as the pathway to peace;
~Niebuhr
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Postby Darby » Wed Jul 30, 2008 5:04 pm

I would agree that it was probably flies from maggots, and it's also possible that she didn't find the WHOLE mole, or there may have been more than one - it's possible that in or near a bathroom, the odor might have been minimized or less noticeable.
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Re: Sudden fly infestation

Postby FishRose61 » Thu Sep 22, 2011 4:32 pm

If the flies were hatchlings then they would all be small but the ones that appear suddenly are large black flies. I have had the same experience with this 'sudden fly invasion' in Sebastopol, California. There are two residences on the property and this has happened in both houses. The second time was much worse than the first time. I would guess the first appearance of flies to be in the 100's but this last time would be in the thousands. The room they were in was completely sealed from the outside. There was nothing dead in the room so we need an explanation for what is happening here.
Thanks.S
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Re: Sudden fly infestation

Postby kendock1 » Thu Dec 08, 2011 2:43 am

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