Oak apple - Wikipedia
WEBOak apple or oak gall is the common name for a large, round, vaguely apple-like gall commonly found on many species of oak. Oak apples range in size from 2 to 4 centimetres (1 to 2 in) in diameter and are caused by chemicals injected by the larva of certain kinds of gall wasp in the family Cynipidae. [1]
How Wasps Make Beautiful and Complex “Oak Apples”
WEBJul 6, 2017 · Oak apple 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 oak apple gall wasp, spread over …
What is an Oak Apple? - Sycamore Land Trust
WEBAn oak apple is not a fruit. It’s actually a gall from the oak apple gall 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. Eventually it turns brown and dry.
Oak Apple Gall Info: How To Get Rid Of Oak Galls - Gardening Know How
WEBFeb 2, 2021 · Oak apple galls look like small, round fruit but they are actually plant deformities caused by oak apple gall wasps. The galls generally do not damage the oak tree host. If you want to know how to get rid of oak galls, read on …
Oak apple gall wasp - The Wildlife Trusts
WEBThe oak apple gall 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.
What Gall! The Crazy Cribs of Parasitic Wasps - KQED
WEBNov 18, 2014 · Commonly called oak apples, these growths are the last thing you’d want to put in your mouth. They are intensely bitter, loaded with tannin compounds – the same compounds that in modest amounts give red wine its pleasant dryness, and tea its refreshing earthy tang.
Oak Apple Galls - FLNPS
WEBGalls provide food, shelter, and protection for a developing oak apple gall wasp. Newly forming galls are green with brown spots and feel rubbery. The gall increases in size as the larva grows.
What Are Oak Apples - GreenThumbsGuide
WEBSep 24, 2023 · Oak apples, also known as oak galls, are abnormal growths that develop on oak trees as a result of the activities of certain wasps. These peculiar formations resemble small apples and can vary in color, from green to brown.
Oak "Apples" and the Gall-Making Process | BYGL
WEBIn general, there are two groups of oak-apple galls: those with internal tissue composed of a mass of white fibers radiating from the central larval capsule, and those with tissue that strongly resembles the flesh of an apple; it is spongy and juicy.
Oak apple | plant tissue swelling | Britannica - Encyclopedia Britannica
WEBThe so-called oak apple, a round, spongy, fruitlike object about 2.5 to 5 cm (1 to 2 inches) in diameter, is caused by the larvae of the gall wasp Biorhiza pallida. About 30 such larvae may develop in a single “apple,” or gall.
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