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Wormey trail things on leaves - friend or foe?

(7 Posts)
WriggleJiggle Thu 25-Jun-09 22:49:31

Almost every plant in my garden has at least one or two leaves like this.

On the upper side of the leaf there are huge amounts of very wiggly white / pale yellow lines. Sort of as though something is burrowing inside the leaf. On the underneath you can see the lines, and also an occasional flat 'egg sac' type thing.

I have found a very small insect (2mm big) in one of them, on another leaf I found some white moth type things (2mm big). There are also greenfly and black fly on some leaves, but I presume its not them leaving the lines?

Oh, and now you've read so far, and identified them grin, what do I do about them?

TubOfLardWithInferiorRange Fri 26-Jun-09 14:57:19

Maybe some type of leaf miner? I would take these leaves off before they spread to other leaves.

WriggleJiggle Fri 26-Jun-09 23:20:54

oh dear, too late for that I'm afraid.

WriggleJiggle Sat 27-Jun-09 10:28:15

Any plans on how to get rid of them (apart from removing leaves from plant)

TubOfLardWithInferiorRange Sun 28-Jun-09 04:19:03

Well, if it's spreading that fast then you'll have to go with some sort of insecticide it would seem to me-by the time you introduced other beneficial insects all your plants would be consumed.

WriggleJiggle Sun 28-Jun-09 13:57:11

OK, I've found the beasties. Nasty, horrible, leaf sucking creatures angry. I don't think I can take so many leaves off each plant, but I'm starting to scrape them off individually. Are there any good websites for recognising bugs?

TubOfLardWithInferiorRange Sun 28-Jun-09 16:17:02

Here's a bunch of pictures of leafminers in North America but if you google leafnminer pictures I expect you could get pictures of some additional bugs. Also you could look at pictures of leafminer leaf damage and compare with yours to see if that's what this is.

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