Êxodo 8
Jerome · Comentário Patrístico (catena)
Êxodo 8:21
Kynomyia does not represent "dog fly," as the Latins translated it, with the Greek letter upsilon; according to the sense of the Hebrew the diphthong oi should be written so that the word is koinomyia, that is, "every genus of flies." — LETTER 106.86