As nouns,
Diapheromera femorata is a hyponym of
stick insect; that is, Diapheromera femorata is a
word with a more specific, narrower meaning than
stick insect:
stick insect: any of various mostly tropical insects having long twiglike bodies
Diapheromera femorata: a variety of stick insect
Other hyponyms of stick insect include
diapheromera.