Up in the Air

[reg orr]

I'm stuck on just 2 - & have been for weeks.
Am willing to trade hints to others for hints to -
1. Note, say, the insects' nervous sign. (11)
56. Biblical leader has left with nothing eaten - only insects! (10)

[numbneck]

1)think of a feeling you get when you are nervous
56)think moses quit o

[Famous5]

1 is the nervous feeling in your tummy,

56 refers to the biblical character who led the Jews from Egypt. Think of and include another word for leave or give up, then you should have them both

[reg orr]

*Many* thanks to you both respondents!