Orthosia cruda caterpillar · mažasis ankstyvasis pelėdgalvis, vikšras

• small Quaker
• Kleine Kätzcheneule, Gelbgraue Frühlingseule
• piętnówka dębowa

https://en.wikipedia.org/wiki/Orthosia_cruda The larvae feed on various deciduous trees, such as oak and willow. It lives between leaves spun together.‥