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2206 Views 1 Reply Last post: Jun 18, 2010 2:51 PM by Blaps RSS
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Jun 18, 2010 1:10 PM

What is this bug please?

The caterpillars (or larva of a bug) are black or  mottly brown on the common figwort.It is a quashy bug and emits a juice when brushed up against or is handled. I thought they were rotund leeches when I first saw them but they produce residue like a caterpillar when inadvertently squashed. The eggs appear to have been laid on the figwort and it is dying off where they have been. I rang 18/06/10 and thank you for your help. I attach the photographs.

I am unable with my camera to get a better picture - sorry.

  • Currently Being Moderated
    Jun 18, 2010 2:51 PM (in response to lossiemouth)
    Re: What is this bug please?

    Hi 'Lossiemouth'!

    We spoke earlier on the phone.

    I think I know what you have - it's a bit of a long shot, as the photos aren't very clear


    Could this be the Figwort weevil, Cionus scrophulariae?


    Have you seen any small black beetles with a cream coloured pronotum hanging around?

    The way you describe the larvae just about fits with this weevil's larvae. They are leech-shaped (as you described) and are covered in a shiny sort of slime which gives them this blackish colour - this of course is an excellent deterrent to predators.


    To find out more, have a look at the RHS website (especially for instructions on how to control them if they are killing off your figwort)


    Hope this helps!

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