I found this Ophion flying around in a caravan we were staying in while on a weekend break with friends. They are fairly harmless, (the Ophions of course) but can look a bit scary with what most people think of as a stinger, but it is only their small ovipositor which is used to parasitise caterpillars. It is not as long as the larger Ichneumon wasps ovipositor.
This is actually Netelia sp., a superficially similar genus. Female Ophion have much shorter, barely noticeable ovipositors.
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