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Galls on Holm Oak (Quercus ilex), Maidenhead   Message List  
Reply | Forward Message #279 of 816 |
Re: Galls on Holm Oak (Quercus ilex), Maidenhead

--- In british_galls@..., M Redfern <m.redfern@...> wrote:
>
> Maggie, again,
> These look very like Aceria ilicis erinea. I understood from the
description
> that the new galls were more of a pimple above and less extensive
below. But
> they still might be the same thing.
> Margaret
>
> Quoting Roy Frankum <royfrankum@...>:
>
> snip
>

Thanks everyone for all the feedback. Margaret is exactly right about
the galls I have seen: discrete, dorsal surface of leaf conspicuously
raised into a pimple. I also have the impression that the erineum is
rather more rusty in colour compared with Maggie's photos.

I will collect several leaves closer to the weekend and hope to have a
scan up here on Sunday 17th. Any advice regarding storage welcomed.

Jerry





Tue Feb 12, 2008 3:42 pm

jrclough2
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Message #279 of 816 |
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I've noticed galls on a Holm Oak in Kidwell's Park, Maidenhead. These are small raised pimples (2-3 mm, above leaf dorsal surface) with what I assume is an...
jrclough2
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Feb 8, 2008
5:37 pm

Hi Jerry, Many thanks for the observation. I have looked through French, Dutch and Hungarian books looking for something like your description. Hope you don't...
THOMAS HIGGINBOTTOM
dthomasiana
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Feb 8, 2008
6:11 pm

Re messages from Tom, Maggie and Jerry re Aceria ilicis - I just thought it would be interesting to see what we have in the database for this species. There...
Janet Boyd
janetboyd2005
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Feb 9, 2008
3:04 pm

Hi Jerry, Tom etc., I've been trying to look at Maggie's photos of the gall but my computer is being obstruse and won't let me open it! The erineum could be...
M Redfern
taxomyia
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Feb 10, 2008
1:50 pm

Hi Jerry, We found these galls on a Holm oak in the Leicester Uni Botanic Garden in 2004. I have put 3 pics in my "Maggie's Galls" photos. Hope they are of...
maggiefrankum
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Feb 8, 2008
7:06 pm

Hi Margaret, In 2004, I emailed the pics of the Holm Oak galls to John Smeathers and he said that they could be Aceria ilicis but to keep the specimens for him...
Roy Frankum
maggiefrankum
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Feb 10, 2008
3:20 pm

Hi Maggie, I am glad John Smeathers is back in the fold and willing to ID mites for us. It's probably best to send specimens straight away when fresh, although...
M Redfern
taxomyia
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Feb 12, 2008
2:39 pm

Maggie, again, These look very like Aceria ilicis erinea. I understood from the description that the new galls were more of a pimple above and less extensive...
M Redfern
taxomyia
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Feb 12, 2008
2:41 pm

... description ... below. But ... Thanks everyone for all the feedback. Margaret is exactly right about the galls I have seen: discrete, dorsal surface of...
jrclough2
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Feb 12, 2008
3:42 pm

... about ... conspicuously ... is ... have a ... Another update: I have found galls very much closer to Maggie's pictures at two new locations: just N of...
jrclough2
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Feb 13, 2008
4:39 pm

I enclose a link to a set of scans of several leaves from two trees, the one in Kidwell Park (SU 885 812), and one by Maidenhead Bridge (SU 900 813). I have...
jrclough2
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Feb 16, 2008
8:22 pm

Hi Jerry, I've had a look at your pics - they are a bit dark [have you tried brightening them slightly in Photoshop Elements?]. The only leaves that seem to...
maggiefrankum
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Feb 18, 2008
8:24 am

Thanks Maggie for your cogent points. 1. I will fiddle with the pictures in Photoshop and re-post better versions. I wanted to get as many of the leaves I'd...
jrclough2
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Feb 18, 2008
12:30 pm

Hi Jerry, I'm riding on the back of this message because my computer had gremlins earlier this afternoon. Did you email me about the BPGS Invertebrates...
maggiefrankum
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Feb 21, 2008
5:14 pm
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