Comstock mealybug vs mealy bug

Comstock mealybug and mealy bug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Comstock mealybug	Yes	No	No	No
mealy bug	Yes	No	No	No

As nouns, mealy bug is a hypernym of Comstock mealybug; that is, mealy bug is a word with a broader meaning than Comstock mealybug:

Comstock mealybug: Asiatic insect introduced accidentally into United States; pest on citrus and apple trees
mealy bug: scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees

Other hypernyms of Comstock mealybug include mealybug.

Comstock mealybug (noun)	mealy bug (noun)
Asiatic insect introduced accidentally into United States; pest on citrus and apple trees	scalelike plant-eating insect coated with a powdery waxy secretion; destructive especially of fruit trees