Wind Wall

This spell brings forth an invisible curtain of wind of considerable strength—sufficient to blow birds as large as crows upward, or to tear papers and like materials from unsuspecting hands. (If in doubt, a saving throw versus Spell determines whether the subject maintains its grasp.) 

Normal insects cannot pass such a barrier. Loose material, even cloth garments, caught in a wind wall will fly upward. 

The material components are a tiny fan and a feather of exotic origin.