plant bug vs mirid

plant bug and mirid both are nouns.

Word	Noun	Adjective	Verb	Adverb
plant bug	Yes	No	No	No
mirid	Yes	No	No	No

As nouns, mirid is a hyponym of plant bug; that is, mirid is a word with a more specific, narrower meaning than plant bug:

Other hyponyms of plant bug include capsid, mirid bug, lace bug.

plant bug (noun)	mirid (noun)
small bright-colored insect that feeds on plant juices	a variety of leaf bug