Carpelimus pusillus
This beetle keyed straight to Carpelimus pusillus but there were a few couplets where the decisions were marginal so I was very glad that it proved to be a male and thus I could check the genitalia matched. It was very small - about 1.5mm long.
, WBEP, 1-Oct-23 (A) (1).jpg)
, WBEP, 1-Oct-23 (A) (2).jpg)
, WBEP, 1-Oct-23 (A) (5).jpg)
, WBEP, 1-Oct-23 (A) (4).jpg)
, WBEP, 1-Oct-23 (A) (6).jpg)
, WBEP, 1-Oct-23 (A) (8).jpg)
, WBEP, 1-Oct-23 (A) (7).jpg)
, WBEP, 1-Oct-23 (A) (10).jpg)
, WBEP, 1-Oct-23 (A) (9).jpg)
, WBEP, 1-Oct-23 (A) (11).jpg)
male Carpelimus pusillus showing antenna, head, pronotum (2)views), abdominal tergites and aedeagus, Wendling Beck Environment Project (Norfolk, UK), 1st October 2023