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Loc.: Slovenia , watter stream. 17 mm 'tail & nose' included.
Side view flat.

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Hemiptera, Belastomatidae (?)

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Thanks, looks like you are right, I guess subadut by my gut filling.
Drying it a bit, to get better photos, will report better images ....

wiki https://en.wikipe...stomatidae warns about wery painfull bite.
Didn't expirience that fortunately.

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This is an immature Nepa cinerea (Nepidae). AFAIK, Belastomatidae do not occur in Europe

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There: http://agrozoo.ne...6253041818 if any further id possible ?

Dry - you get some details, you loose others ...

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Hmm n.c. : http://www.flickr...539768835/

Wiki says Belastomatidae worldwide.

But upper link confirms n.c. doh my specimen could newer be of such brown coloration.

Thanks.

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I agree with Tony, immature (nymph) of Nepa cinerea. However, there are 3 species of Belastomatidae in Europe, Apassus nepoides in Tunesia, Hydrocyrius colombiae in Algeria and Lethocerus patruelis in Serbia/Montenegro, Romania, Macedonia, Greece, European and Asian part of Turkey, Croatia, Bulgaria, Albania and possibly also in Hungary. Nepa nymphs (and adults) are often brown encrustated and is not a diagnostic character. I have never seen Lethocerus, but I guess you can compare it with yours using Internet. belastomatidae has front legs with widened femora, unlike Nepa. Also adults of Belastomatidae are about 65mm long and nymphs of 17mm with this wingspan can hardly be lethocerus. Nepa adult are up to 30mm.

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Ah! :S
Belostomatidae occur in Europe - but I'd say only the one species - the others you mention occur in Africa. ;)

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I know that 2 species out of 3 occur in Africa, but for the sake of completeness I and the checklist by Aukema & Rieger also includes species from northern Africa, a faunistic region often included into Europe.

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Typically, we British have a very restricted concept of Europe! ;)

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When Dutch entomologists say 'Europe', they often mean 'west-Palearctic': from the Ural to the west and from the middle of the Sahara to the north and including a large part of the Middle East. For the sake of ease, the division in Africa is mostly made along the southern borders of the five northernmost African countries (Morocco, Algeria, Tunisia, Libya and Egypt).

Cheers,

Scarabaeoid

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Ah! You Dutch are so laid back ...!