Coelioxys apiculata NYLANDER 1848; Coelioxys diglypha FÖRSTER 1853; Coelioxys hebescens NYLANDER 1848; Coelioxys trinacria FÖRSTER 1853; Coelioxys umbrina SMITH 1843; Coelioxys carinata SCHENCK 1855; Coelioxys longiuscula SCHENCK 1855; Coelioxys obtusata SCHENCK 1855; Coelioxys parvula SCHENCK 1855; Coelioxys fallax MOCSARY 1881
There are currently no published keys to Coelioxys. George Else has a key in preparation. A photographic guide to the genus is available for download from the BWARS website. Distribution
Recorded from England and Wales, but most frequent in the south and south-east. Not known from Scotland or Ireland. It occurs in the Channel Islands.
It occurs in much of western Europe, but is apparently absent from Greece and the
Balkans and also from Norway and Sweden.