Miller Moth??

All about flies Fly Tying
1

Does anyone know about these??

from what im told they hatch at night and are a white color

Leonard

2

Probably the White Miller AKA Nectopsyche albida which is a night hatching caddis.

I’m not sure about sizes.

3

GOOGLE says

http://www.coopext.colostate.edu/4dmg/Pests/millers.htm