leaf bug vs lace bug

leaf bug and lace bug both are nouns.

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

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

leaf 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 leaf bug include capsid, mirid, mirid bug.

leaf 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