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What is eating my potato?


 
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Keeks
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Joined: 14 Apr 2012
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PostPosted: Sat Jul 29, 2017 1:53 pm    Post subject: What is eating my potato? Reply with quote

Does any know what these are? Dug some potatoes this morning and foynd this....just the one affected.


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Blowin
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PostPosted: Sat Jul 29, 2017 7:47 pm    Post subject: Reply with quote

I'm certainly no expert on this sort of thing but, as much for my own benefit as anything else, I scrolled through a very lengthy British Potato Council list of pests and diseases - and found nothing resembling the bugs in your photo. I hope someone else will know what it is?
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tagwex
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PostPosted: Sat Jul 29, 2017 9:02 pm    Post subject: Reply with quote

OK it is worrying but if it is only one ........
Is it a weevil?

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tagwex
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PostPosted: Sun Jul 30, 2017 9:50 am    Post subject: Reply with quote

Not a weevil, I got mixed up.

It is one of the following I reckon. Devil's coach horse or Philonthus laminatus. The former being approx. 3 times bigger than the latter at 25mm. I cannot tell the size from the photo.

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James Kilkelly
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PostPosted: Sun Jul 30, 2017 11:08 am    Post subject: Reply with quote

As mentioned by tagwex I also believe it is Devil's coach horse, Keeks, although quite immature ones.
They did not do the main damage to the spuds though, as that looks to have been done by slugs.
The beetles are just taking advantage of the already made holes.

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Keeks
Rank attained: Rowan Tree
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PostPosted: Sun Jul 30, 2017 8:16 pm    Post subject: Reply with quote

So a good guy...possbly feeding on the slugs that eat the spuds.....
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Sue Deacon
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PostPosted: Mon Jul 31, 2017 10:31 pm    Post subject: Reply with quote

If they are devil's coach horse then the spuds must be massive! They look a little small for dch beetles. A rove beetle?
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