caddis fly vs trichopteron

caddis fly and trichopteron both are nouns.

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

As nouns, trichopteron is a hypernym of caddis fly; that is, trichopteron 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
trichopteron: caddis fly

Other hypernyms of caddis fly include trichopteran, trichopterous insect.

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