Abnormal growth produced by a wasp, usually on an oak tree

Let's find possible answers to "Abnormal growth produced by a wasp, usually on an oak tree" crossword clue. First of all, we will look for a few extra hints for this entry: Abnormal growth produced by a wasp, usually on an oak tree. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.