Estheria (estheria)

[NL., said to be an anagram of the name of St. The res a.] 1. A genus of dipterous insects. Desvoidy, 1830.-2. The typical genus of crustaceans of the family Est her i ide. The origin of the species dates back to the Devonian epoch, and they are still existent. est her i an (es-the'ri-an), a. and n. I. a. Pertaining to the Estheriida. II. n. One of the Estheriida .