The story
From ὅλος (hólos, “entire, whole”) and πνευστικός (pneustikós).
Etymology from Wiktionary, CC BY-SA 4.0.
holopneustic
Today it means: in tracheal systems, properly: having all ten pairs of spiracles functional, as occurs in the caterpillar larvae of some Hymenoptera. Loosely applied also to insects (properly termed hemipneustic) in which most, but not all, spiracles are functional. Full definition →