Great Diving Beetle Dytiscus marginalis
Very large and impressive beetles.
Females have strongly-ridged elytra.
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 5th November 2023
Males are much smoother on the elytra. The shape of the hind coxal processes help to identify Dytiscus to species.
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male Great Diving Beetle Dytiscus marginalis showing hind coxal processes, North Elmham (Norfolk, UK), 14th April 2022
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 27th December 2019
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male Great Diving Beetle Dytiscus marginalis showing pro-tarsus and hind coxal processes, North Elmham (Norfolk, UK), 8th May 2018
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 25th December 2023
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female Great Diving Beetle Dytiscus marginalis, North Elmham Cathedral Meadows (Norfolk, UK), 15th September 2019
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 14th June 2020
female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 2nd January 2016
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 23rd January 2018
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male Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 6th December 2015
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male Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 8th October 2015
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male Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 16th September 2014
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female Great Diving Beetle Dytiscus marginalis, North Elmham (Norfolk, UK), 17th September 2014