caddis fly vs trichopteran

caddis fly and trichopteran both are nouns.

Word	Noun	Adjective	Verb	Adverb
caddis fly	Yes	No	No	No
trichopteran	Yes	No	No	No

As nouns, trichopteran is a hypernym of caddis fly; that is, trichopteran is a word with a broader meaning than caddis fly:

caddis fly: small moth-like insect having two pairs of hairy membranous wings and aquatic larvae
trichopteran: caddis fly

Other hypernyms of caddis fly include trichopteron, trichopterous insect.

caddis fly (noun)	trichopteran (noun)
small moth-like insect having two pairs of hairy membranous wings and aquatic larvae	caddis fly