mantis vs dictyopterous insect

mantis and dictyopterous insect both are nouns.

Word	Noun	Adjective	Verb	Adverb
mantis	Yes	No	No	No
dictyopterous insect	Yes	No	No	No

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

mantis: predacious long-bodied large-eyed insect of warm regions; rests with forelimbs raised as in prayer
dictyopterous insect: cockroaches and mantids

mantis (noun)	dictyopterous insect (noun)
predacious long-bodied large-eyed insect of warm regions; rests with forelimbs raised as in prayer	cockroaches and mantids