Cottonwool Gall by durleybeachbum
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Description
Andricus quercusramuli is a cynipid wasp that causes galls to form on the catkins of English Oak and Sessile Oak. Cottonwool galls are the sexual generation of Andricus quercusramuli (the asexual generation is a bud gall on oak).
The spherical mass of white hairs hides up to 20 gall chambers, each about 2mm dia. and occupied by one larva. These mature and emerge in late June and following mating, the females then cause the alternate asexual generation galls in oak buds.
Comments (19)
The interchange of Nature, in its hidden applications, boggles this mind... beautiful clip !
wow; great find ; never seen one of those
looks very delicate.
Brilliant. haven't seen one of those for years Andrea
Great find and capture Andrea. God bless.
What a fascinating structure. It looks like spun fiberglass or home insulation. Nice find.
You've got a lot of gall posting this hehe! Thought I'd fill in for Jeffers whilst he was away :)
Very interesting, Andrea... quite different from our oak galls. Interesting info!
Wow what a amazing process those wasps go through. Awesome find and great shot of the cool looking mass of white hairs.
Superb shot and wonderfully informative text too!
I wonder if that asexual reproduction is why wasps are so ill-tempered?
Great Capture,
creepy and interesting at the same time wonderful capture
I've only ever seen those beardless sorts of galls, usually caused by mites or some such species; never these wonderfully hirsute examples. I love the clarity and the undeniable, natural beauty; the details are stunning.
How very interesting.
There's an Oak tree at the bottom of our new garden I shall have to look out for these.
This is an excellent find Andrea and incredible photo to go along with your explanation!
Very interesting to see !
Neat POV!