First id the small fly and then drying out the breeding area will usually knock them out, either by removing food debris (if that's the source) , Plumbing repair(s), reducing sprinkler timer, water on houseplants,cleaning the drain(s) etc.
Close it.
Sounds like you introduced fruit flies with the tomatoes-one or more of which is infested. Just discard so they are not replaced with new flies. The adult "stragglers" you simply knock down with fly spray.
Vancouver Nats was created in 1971.
NATS Holdings was created in 1962.
Nats are usually known as Little Flies to many people, Yes. These Nats Are attracted to Trash, Foods and fruits
oranges
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