Protelinae

Protelinae is a taxonomic subfamily name that has appeared in zoological and botanical literature. Its application has been inconsistent, and the grouping to which Protelinae was assigned has varied among taxonomic treatments. In some classifications, Protelinae was proposed as a subfamily within a particular insect or plant family, while in others its included genera were moved to different subfamilies or the name was treated as a synonym of an existing group. Because of these changes, Protelinae is often described as having an unsettled or historical status in modern taxonomy.

As with other subfamilies, the delimitation of Protelinae historically relied on morphological characters that distinguished its taxa, with later re-evaluations incorporating molecular data when available. In groups where Protelinae appeared, the characters used tended to involve structural features of adult specimens or developmental stages, as well as, when possible, genetic markers.

Geographically, the distribution of taxa historically assigned to Protelinae would match that of the broader lineage under which the subfamily was placed, but given the uncertain status, there is no single biogeographic profile to summarize.

Current online taxonomic databases vary in recognition of Protelinae; some treat it as a valid but obscure subfamily with restricted usage, while others record it as a synonym or as superseded by more widely accepted classifications. For researchers, Protelinae exemplifies how taxonomic names can reflect historical classifications rather than stable, universally accepted groups.