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This Waterlouse is widespread in Nottinghamshire and no doubt very
much under-recorded, despite the sterling efforts of Bob Merrit, who
provided most of the county's records between 2001 and 2014. Asellus
aquaticus identification is quite easy for those living in
Nottinghamshire, with only Proasellus meridianus (just three
county records) for confusion. Identification of the two is easily
achieved by examination of the pale markings present at the rear of the
head, which in Asellus aquaticus takes the form of two pale
spots separated by a darker area of pigmentation. |
