ctenoplectrid noun1 •Any bee of the tribe Ctenoplectrini (especially when the latter is, as formerly by some, regarded as the family Ctenoplectridae).Obligate parasitism of other bees has arisen in halictids, megachilids, anthophorids, apids, and perhaps a few colletids and ctenoplectrids. — 1989 formsctenoplectrids