sawyer vs pine sawyer

sawyer and pine sawyer both are nouns.

Word	Noun	Adjective	Verb	Adverb
sawyer	Yes	No	No	No
pine sawyer	Yes	No	No	No

As nouns, pine sawyer is a hyponym of sawyer; that is, pine sawyer is a word with a more specific, narrower meaning than sawyer:

sawyer: any of several beetles whose larvae bore holes in dead or dying trees especially conifers
pine sawyer: large beetle whose larvae bore holes in pine trees

sawyer (noun)	pine sawyer (noun)
any of several beetles whose larvae bore holes in dead or dying trees especially conifers	large beetle whose larvae bore holes in pine trees
one who is employed to saw wood