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Any ideas?


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8 replies to this topic

#1 Simon Lidster

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Posted 21 February 2012 - 03:43 AM

Anyone identify this big green ugly bug?

From a kick sample the other day on the river Derwent in Derbyshire, UK.

Plenty of Baetis, stoneflies, Hydropsyche and Rhyacophilia plus Danica, but cant find out what the green bug is. Its about 2-3 cm long.

Thanks,

Simon

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#2 rockworm

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Posted 21 February 2012 - 09:18 AM

They look to me like the larvae of an aquatic fly. Predators which live in the muck. You would probably need to dissect one under a microscope to identify the species.

#3 eastern fly

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Posted 21 February 2012 - 10:01 AM

Looks like a Cranefly larva to me.

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#4 rockworm

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Posted 21 February 2012 - 11:34 AM

Looks like a Cranefly larva to me.

Kevin

Could be. There are thousands of species and they are very common.

#5 JSzymczyk

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Posted 23 February 2012 - 05:59 AM

a species of cranefly was my first impression too. It is without a doubt some sort of Diptera because of the lack of true legs(segmented, jointed legs) and the presence of pairs of fleshy prolegs on the abdominal segments.

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#6 Druce

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Posted 07 March 2012 - 03:40 PM

Diptera (fly) of some kind, looks big like a cranefly larva
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#7 perchjerker

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Posted 03 May 2012 - 04:12 PM

My vote is for crane fly larva.

#8 176319

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Posted 24 June 2012 - 12:18 PM

For sure it is a crane fly larva. If I were you I would use it as a fly model before decompisition kicks in. Would be a deadly fly. If you make it I bet first cast you will get a strike with out a doubt!

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#9 Simon Lidster

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Posted 02 July 2012 - 07:26 AM

Ok, got the definitives on these two, the one on the left is a cranefly and the one on the right is a snipe fly. Massively outnumbered by Baetis, Caddis, Ephemera etc etc...

Simon