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Berosus affinis


My first Berosus proved reasonably straightforward to key out.

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male Berosus affinis showing pronotal punctures, underside of abdominal sternites, mesosternal ridge and aedeagus, Wendling Beck Environment Project (Norfolk, UK), 29th October 2022


Berosus affinis Berosus affinis Berosus affinis Berosus affinis Berosus affinis Berosus affinis
male Berosus affinis showing pronotal punctures, underside of abdominal sternites and mesosternal ridge, Wendling Beck Environment Project (Norfolk, UK), 8th September 2023