Limnius opacus Muller 1806 (riffle beetle)
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Insecta - Coleoptera - Elmidae
Belongs to Limnius according to M. A. Jäch et al. 2016
See also Keen et al. 1997
Sister taxon: Limnius volckmari
Ecology:
Distribution: found only at Frog Hall, 1991 section, 100-110 cm depth (Quaternary of the United Kingdom)
Specimen images are retrieved through the ePANDDA API.
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