The species is named in reference to the Miocene (Burdigalian stage) Dominican amber from deposits on the island of Hispaniola which entombs the specimens.

[1] In general Eickwortapis has a blackish body with an indistinct metallic coloration, possibly brassy greenish.

[2] Closely related to the extinct genus Nesagapostemon and the living Caenohalictus, Eickwortapis is placed with both in the halicted tribe Caenohalictini.

[1] The basal area of the Propodeum, not slanting in profile, is only half of the length of the vertical posterior surface in Nesagapostemon.

The living species Caenohalictus eberhardorum has long hairs on the eyes and denser scopa.