Noun
Any of several species of moth that somewhat resemble bumblebees in coloration.
Abraxas grossulariata (magpie moth).
Aphomia sociella, a pyralid moth.
Hemaris diffinis (syn. Haemorrhagia diffinis, snowberry clearwing).
Hemaris thysbe (hummingbird clearwing).
Source: en.wiktionary.org