cicada vs homopterous insect

cicada and homopterous insect both are nouns.

Word	Noun	Adjective	Verb	Adverb
cicada	Yes	No	No	No
homopterous insect	Yes	No	No	No

As nouns, homopterous insect is a hypernym of cicada; that is, homopterous insect is a word with a broader meaning than cicada:

cicada: stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone
homopterous insect: insects having membranous forewings and hind wings

Other hypernyms of cicada include homopteran.

cicada (noun)	homopterous insect (noun)
stout-bodied insect with large membranous wings; male has drum-like organs for producing a high-pitched drone	insects having membranous forewings and hind wings