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treeblog update (Set A, Day 875): Scots pines (& grey alders). Eggs & caterpillars. Eucalyptus flowers.
Posted on August 19, 2009 by Ash
Scots pine Alpha earlier today (Day 875).
Scots pine Gamma.
A bit of an eclectic post is this one, gang! First of all there’s a bit of a treeblog Set A update, but only for the two Scots pines (Pinus sylvestris), the post-Set A goat willow (Salix caprea - formerly the PSAUS), and one of the grey alders (Alnus incana). Normally I’d lump the pines, willow and all the alders together but I haven’t been able to this time because the grey alders are too big. I like to have a nice, clear background on these update photos y’see, and for most of the Set A trees I have a piece of plywood that’s perfect for the job. This summer the grey alders have outgrown it by quite a ways. I had a background trick up my sleeve for the last Scots pine & grey alder update (27th June – Day 822) though: I hung a grey blanket from the washing line. But in the intervening one-and-a-half months (sorry for the wait) the alders have rocketed up and are now so big that even my double-bed sheet hung from the line is too small to make do! What I tried for a background this time around – a wall of conifer – has proved so useless I’ve only bothered putting up one of the photos. A green alder against green conifer scales. It doesn’t exactly stand out from the background…
Grey alder No. 1 (with decreased brightness and increased contrast). Well camouflaged, eh?
Ohhh, by the way, I got out the tape measure and took some heights. I did the same when I did the last update, so now we know how much the trees grown in the last 53 days:
The post-Set A goat willow. See that bit of yellow on the uppermost leaf on the right-hand branch of the fork?
It looks like some kind of nasty fungus that is killing the leaf and the terminal leaf bud. I think the same thing may have happened last autumn which caused the seedling to fork. Will this branch end up forking again? Why is this happening? Is it something young willows are prone to?
Back to grey alder No. 1. On the underside of one of its leaves, this strange caterpillar that looks a bit like it’s covered in tiny flakes of coconut (like those you get on Tunnock’s Snowballs). No matter how hard I tried, I couldn’t get the bugger in focus, but I think it’s clear enough for someone out there to make an ID. Anyone?
That was today. I photographed this patch of eggs on one of the alders’ leaves on the 9th of August just as tiny-weeny caterpillars were hatching out.
These insect eggs were spotted on Scots pine Alpha the same day. I don’t know what was in them, but they have all hatched and a new batch has been laid since.
Cider gum No. 14’s flower buds still haven’t opened. Here they are on the 9th, and they look pretty much the same today.
When I was up in the Highlands for the first week of August, the cottage we stayed in had a young eucalyptus (about ten to fifteen foot tall) growing in the garden. This is one of its flowers. I don’t know what kind of eucalyptus it was, but it’s quite possible it was a cider gum (Eucalyptus gunnii) like mine.
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