Dipterous insect and Pomace fly

Dipterous insect noun - Insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing.

Pomace fly and dipterous insect are semantically related. In some cases you can replace phrase "Pomace fly" with "Dipterous insect", this phrases are similar.

Pomace fly noun - Any of numerous small insects whose larvae feed on fruits.

Dipterous insect and pomace fly are semantically related. You can use "Dipterous insect" instead a noun phrase "Pomace fly".