χαλκόμυια
From LSJ
ἄλογον δὴ τὸ μήτε μάχης ἄρξασθαι μήτε τοὺς φίλους φυλάξαι, ἐὰν ὑπό γε τῶν βαρβάρων ἀδικῆσθε → It is irrational neither to begin battle nor to guard the friends, if you are ever wronged by the foreigners
English (LSJ)
ἡ,
A a fly of bright metallic hue, ingredient of an eye-salve, Aët.7.100.
German (Pape)
[Seite 1331] ἡ, eine Fliegenart von grün schimmernder Metallfarbe, Sp.
Greek (Liddell-Scott)
χαλκόμυια: ἡ, μυῖα ἔχουσα λαμπρὸν μεταλλικὸν χρῶμα, Βυζ.