Farasha
The bug has a small defect, giving it -1 to a particular use of a skill or attribute. May be taken multiple times, and can be taken as a Subtrait of itself up to twice.
Not all weaknesses are obvious, like a tendency to knock things over with your wings. Yes, looking at you, Herkal. Learn your foibles, for their severity can range from an inconvenience to a fatal flaw.
No bug is perfect, everyone is flawed in their own unique way. If you have trouble thinking of an appropriate flaw, here are some examples to inspire you: