Insect egg-case?

Insect egg-case?

Observation - Insect egg-case? . Description: Observed at Arsani Monastery, near Rethymno, Crete. A tiny, barnacle-like object on a mulberry leaf.

Observed at Arsani Monastery, near Rethymno, Crete.
A tiny, barnacle-like object on a mulberry leaf.