Schreckensteinia festaliella, the blackberry skeletonizer, is a moth of the family Schreckensteiniidae first described by Jacob Hübner in 1819.
It is found in the Palearctic including Europe and has been introduced to North America The moth's wingspan is 10–12 mm.
The imago is active by day and rests on its forelegs and mid-legs only, with the hindlegs raised over the abdomen.
When hatching the larvae are colourless and chew through the top of the egg, leaving the rest uneaten.
[3] It is native to the Palearctic, but was introduced to North America and is now widespread from California and Alberta to Quebec and the north-eastern United States.