tenebrionid vs darkling beetle

tenebrionid and darkling beetle both are nouns.

Word	Noun	Adjective	Verb	Adverb
tenebrionid	Yes	No	No	No
darkling beetle	Yes	No	No	No

As nouns, tenebrionid and darkling beetle are synonyms defined as:

tenebrionid and darkling beetle: sluggish hard-bodied black terrestrial weevil whose larvae feed on e.g. decaying plant material or grain

Other synonyms of tenebrionid include darkling groung beetle.

tenebrionid (noun)	darkling beetle (noun)
sluggish hard-bodied black terrestrial weevil whose larvae feed on e.g. decaying plant material or grain	sluggish hard-bodied black terrestrial weevil whose larvae feed on e.g. decaying plant material or grain