Blastobasis glandulella

Blastobasis glandulella is a species of moth of the family Blastobasidae. It is found in the Eastern United States and southern Ontario, Canada. It has also been recorded in California. In Europe, it has been recorded from Austria, Germany, the Czech Republic, Italy, Slovakia and Croatia.

Common name
It is commonly known as the acorn moth, but this can also refer to the tortrix moth Cydia splendana from Europe.

Wings
The wingspan is 15–25 mm. They are on wing from April to September.

Larvae
The larvae feed inside acorns and chestnuts.