plant bug vs lace bug

plant bug and lace bug both are nouns.

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

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

plant bug: small bright-colored insect that feeds on plant juices
lace bug: small bug having body and wings covered with a lacy network of raised lines

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

plant bug (noun)	lace bug (noun)
small bright-colored insect that feeds on plant juices	small bug having body and wings covered with a lacy network of raised lines