If your roof space is a home to hundreds of flies you have a cluster fly problem the following information will tell you how to get rid of cluster flies.
Flies on roof.
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Drain fly larvae are not longer than 4 to 10 mm when fully mature and they are slender with a dark strip on the back or dorsal area.
The flies will go down into the jar drink the solution and become poisoned and trapped in the jar.
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When you smack the fly they will get zapped and die.
They killed the flies but live flies gross me out enough.
You may wish to cover these vents with screen so that air can still flow freely through them but flies cannot enter.
Wings and body are covered with long hair.
Drain flies they are about 1 5 to 5 mm long with a light gray or tan body.
Gnats they are about 4 mm long delicate dark colored flies with long legs and antennae.
Flies that gather in roofs around windows and on walls inside in the autumn and winter are called cluster flies also known as attic flies.
Spray as best you can around your roof chimney eves ventilation holes etc.
Close up openings where flies get in.
Say no to gaps.
Place an outdoor fly trap or two a few yards from the conservatory and draw the flies in before they reach the conservatory itself.
Fill in cracks crevices and spaces around pipes.
These are not the same as the blue bottles that buzz hard against the windows in the warmer weather or the house flies and smaller flies that are active in summer too.
Have you considered a replacement roof.
We purchased some fly swatters a couple of years ago.
These guys will be repelled by the chemicals and retreat from going in your attic.
Get a fly swatter.
There are also electronic bug zappers that look like tennis rackets.
Remember attic flies want to cluster indoors when it starts to get a lot cooler outdoors.
I own a commercial cleaning business and my husband owns a commercial roofing company and found with both thoughts combined that there is a build up of moisture under the roofing that is not significant enough to harm dam to roof but enough to cause a condensation moisture and this is what attracts the flies.
When at rest the drain fly folds its wings over the body in a characteristic roof like manner.
Flies can come in through roof and attic vents and other small openings that connect the inside of your home to the outside.
Posted by oriole adams at 9 21 am on june 10 2012.
Drain flies measure about 1 5 to 5 mm long.
Not only will this keep flies out but the performance of your conservatory will also be greatly improved.
Fruit flies they are dull yellowish or brownish black in color.
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House flies they are gray in color about 4 to 8 mm long with four dark gray stripes on upper body.