ἀλογομυῖα
From LSJ
Ἃ δέ σοι συνεχῶς παρήγγελλον, ταῦτα καὶ πρᾶττε καὶ μελέτα, στοιχεῖα τοῦ καλῶς ζῆν ταῦτ' εἶναι διαλαμβάνων (Epicurus, Letter to Menoeceus 123.2) → Carry on and practice the things I incessantly used to urge you to do, realizing that they are the essentials of a good life.
English (LSJ)
ἡ, A horse-fly, Anon.in Rh. 125.10.
Spanish (DGE)
-ας, ἡ mosca de caballo, tábano Anon.in Rh.125.10.