United Kingdom

Yuk, been picking off scale insects (quite big black ones that kind of crack/squish) from my potted olive tree. Where do they come from to get there in the first place...do they crawl? fly? What do baby scale look like? Hadn't picked any off for a couple of weeks (last I looked, I'd got them all) yet some of these just now were quite big, like they'd been there a while. I kind of flicked them away from me, can they make it back to the tree over gravel, half squished???!

• 10 Jul, 2008

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