An identification key is in Else (1999).

This is a minute species, superficially resembling Lasioglossum minutissimum (Kirby). It may have been overlooked at times because of its small size.

A very similar species to the more common Lasioglossum lativentre (Schenck) and some records are probably due to misidentification of that species. Perkins (1922) unfortunately transposed the male genitalia characters, the most reliable way of distinguishing the two species, in his seminal paper on Lasioglossum.

A small black Lasioglossum, added to the British list by Hawkins (2011). The female is unusual in having patches of flattened plumose hairs overlying the marginal areas posteriorly on the middle tergites, rather than anteriorly as is the norm for Lasioglossum. In the male the gena is produced backwards in the form of a variably developed triangular tooth. Lasioglossum sabulosum (Warncke), sometimes synonymised with sexstrigatum, is now considered a good species.

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A very similar bee to the closely related Lasioglossum quadrinotatum (Kirby); the two species are best distinguished by characters of the male genitalia.