chalcid fly vs hymenopter

chalcid fly and hymenopter both are nouns.

Word	Noun	Adjective	Verb	Adverb
chalcid fly	Yes	No	No	No
hymenopter	Yes	No	No	No

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

chalcid fly: any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects
hymenopter: insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing

Other hypernyms of chalcid fly include hymenopteran, hymenopteron, hymenopterous insect.

chalcid fly (noun)	hymenopter (noun)
any of various tiny insects whose larvae are parasites on eggs and larvae of other insects; many are beneficial in destroying injurious insects	insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing