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Lesser Diving Beetle? - Russia (1 Viewer)

Thanks ficedula,
Lesser is Acilius sulcatus in Brock so probably the same
A

If by Brock you mean "Insects of New Forest" only 5 species of Dytiscids featured, so of little use to name beyond Family, occasionally genus.

In UK A. sulcatus is the common one but your photo will not allow identification beyond genus, no idea what species might occur in Russia, or are you in UK now?
 
Thanks again Ficedula,
this was in Russia, sorry, should have been clearer and the Brock I refer to is the Britain and Ireland guide but it's the same in Chinery's Europe guide. There is a great deal of overlap with the UK in all groups here in this part of Russia




A
 
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If by Brock you mean "Insects of New Forest" only 5 species of Dytiscids featured, so of little use to name beyond Family, occasionally genus.

In UK A. sulcatus is the common one but your photo will not allow identification beyond genus, no idea what species might occur in Russia, or are you in UK now?

I've now managed to get hold of 'A field guide in colour to Beetles' by Octopus Books after it was recommended by another member and it's great. I suggest that anyone with an interest in Beetles get it if you don't have it already.

The text tells me of two Acilius species in the UK but only shows sulcatus. It then refers to canaliculatus and states it's preference for 'bog water and is found in Britain, mainly in the North'.

My patch is a bog so does anyone know if it's possible so separate these two?



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