Yellow Moth Egg



The Yellow Moth Egg teaches you how to summon a Yellow Moth companion.

Source
This item can be purchased for from  Sixx in the Exodar and  Bugcatcher Cal'yoon in Zuldazar.

It can also be looted from Growling Sac and Grumbling Sac.

Pet Journal
Prefers flying during thunderstorms, which are common in Azuremyst Isle.