rimo's picture


Observed: 4th June 2013 By: rimo
Bumblebee Conservation TrustUK Ladybird Survey
Invertebrates expert

Photo from a colleague in Manchester - I can't for the life of me remember what this is, and am away from books this week

Species interactions

No interactions present.


Richard Dickson's picture

Mystery longhorn

This is a very interesting beetle! Whilst it has the general appearance of Rutpela maculata, there are some differences which reach level of incompatability, I think, especially when put together.
Firstly, The thorax of R. maculata is long and thin, narrower than the elytra, whereas the one in your photo is as wide as the elytra. Secondly, the pronotum is yellowish with black marks, whereas R.maculata has a black pronotum. Thirdly, the one above has entirely black legs, wheras R. maculata has a good deal of yellow on them.
I wonder if it might be a non-British species, possibly imported? The shape of the thorax and the form of elytral markings somewhat echo the Wasp Beetle, Clytus arietis. Whilst I'm sure it isn't this species, I see from my Octopus book of beetles that there are four species of Clytus in Europe - so perhaps that might be an avenue worth following up.

Richard Dickson

Wildlife Ranger's picture


Yes I agree I juggled with this for some time esp the colour of the pronotom and the general pattern that did not fit I have revised the position to a safer observation until someone can throw more light I assun it to be a Britih Find so we may want to clarify this


Best Wishes


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rimo's picture

It's definitely not Rutpela

It's definitely not Rutpela maculata which is, as mentioned, a very different shape and isn't as hairy. It's not any of the European Clytus species, which are largely similar to our wasp beetle, and never have the yellow pronotum shown by this beast. I've managed to dig out my longhorn guide (a scanned copy of the one from British Wildlife a few years ago) and it's not any of them, though I don't know if there's any recent arrivals/common vagrants/introductions.

It was found in Manchester, as mentioned in the description, but in a house, so is a possible emergence. It's certainly one I've seen before, but possibly only in a collection!

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