Bird-lovers should leave food out and allow their garden grass to grow to create a better environment for birds to catch insects, he added.
BBC: NEWS | UK | Fewer birds spotted in UK gardens
If you notice signs of insects, including flying moths or insect droppings, you might want to call an exterminator who will set traps to catch insects and larvae but don't use traditional mothballs, which can give off toxic vapors.
WSJ: Ask Teri: How to Keep Moths From Eating Sweaters
The EcoBot II uses human sewage as bait to catch the insects.
CNN: Fly-eating robot powers itself
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