Oakgalls on a Pyrenean oak (Quercus pyrenaica) in León, Spain. An oakapple on a tree in Worcestershire, England. An oakapple or oakgall is a large, round, vaguely apple-like gall commonly found on many species of oak. OakAppleGallInfo: How To Get Rid Of OakGalls. Teo Spengler's avatar.Galls are essential to developing oakapplegall wasps. The gall provides a safe home as well as food for the young wasps. An oakapplegall hangs below the leaves of a red oak tree in a forest. The gall is round and light green in color, and it is covered in small, white bumps. Oakapplegalls are named for their resemblance to apples. The oakapplegall wasp, Biorhiza pallida, is a tiny wasp that causes growths, or 'galls', on oak twigs. These galls can be found between May and June where the female has laid her eggs in the leaf bud. The oakapplegall wasp is considered a minor pest; it causes minimal damage to the health of the tree, although infestations may look unsightly. Heavy populations may cause early leaf drop. A blight from a tree. OakAppleGalls fall from Oak Leaves when harvested or decaying naturally. Ingredient in crafting Philter of Dishonesty at a Distillery. An oakapple is not a fruit. It’s actually a gall from the oakapplegall wasp (Amphibolips confluent). This gall is the size of a golf ball and can be two inches wide. It has a papery feel and is initially leaf-green. Oakapple wasps (Amphibolips confluent) are one of many insect species that rely only on oak trees, and have evolved a very specific method for living on oak trees. The entire life cycle of an oakapplegall wasp, spread over two years, happens on one single oak tree. It induces galls in coast live oak and interior live oak trees. Like many gall wasps, it has two alternating generations which induce differing galls: an all-female parthenogenic generation, and a bisexual generation.More Info. Computer Vision Model. Included. The galls are the work of the Spongy OakApple Wasp, a tiny parasitic wasp that stings oak leaf buds in the spring. Once stung, the leaf forms a gall around the wasp’s egg. The gall provides both food and a hiding place for the young wasp grub.
