Unfortunately, the foil will also eliminate air circulation. Fine window screen is designed to keep mosquitoes out, so it should work for fruit flies, too. Also, there's always good old panty hose, if all else fails, though it might be hard to secure in place.I make mantis cages out of disposable plastic food containers. You can get nice 4 packs for a dollar or so. Nice cheap containers. I cut a big hole in the top and tape cheescloth to the hole. Cheesecloth wont keep fruit flies in. When you are using anything that feeds on fruit flies, put tin foil over the cheesecloth. If no light gets through, the flies stay away and don't get through the cloth to escape.
haha, u the man!I have pantyhose! You can have mine. :blink:
-Kevin
Yes. For the 32 oz insect cups I prefer the cloth lids made for the purpose.Just wondering every one.Would old T-shirts cut into square works thanks.Lately ive been using stainless steel screens.
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