punky vs biting midge

punky and biting midge both are nouns.

Word	Noun	Adjective	Verb	Adverb
punky	Yes	No	No	No
biting midge	Yes	No	No	No

As nouns, punky and biting midge are synonyms defined as:

punky and biting midge: minute two-winged insect that sucks the blood of mammals and birds and other insects

Other synonyms of punky include no-see-um, punkey, punkie.

punky (noun)	biting midge (noun)
minute two-winged insect that sucks the blood of mammals and birds and other insects	minute two-winged insect that sucks the blood of mammals and birds and other insects