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Hi
Found in a freshwater sample full of Oak leaves and plant debris and benthic invertebrates
this unknow larvae for me...
I thougt it was an aquatic lepidoptera larvae (Crambidae) but it isn't
This larva 15-20 mm length is easily floating on water surface (seems to be hydrophobe) and they are like suckers or gills on the las abdominal segment...
COuld it be a juvenile larva of Carabeus violaceus purpurascens ?
Merci beaucoup

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2 pictures more,
Ventral view
Head
thoracic part




merci beaucoup
SDS

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https://youtu.be/GmMowWsdkd8

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do not know, but check also around this:
http://agrozoo.ne...df31224a51
Things usualy eats snails.

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THanks you
It could be or not if this is a male larvae
but
I 'd prefer Rhagonycha gallica
Let's wait...
merci beaucoup