Tempus fugit is a Latin phrase, usually translated into English as "time flies". The expression comes from line 284 of book 3 of Virgil’s Georgics, where it appears as fugit inreparabile tempus: "it escapes, irretrievable time".

Flies are adapted for aerial movement and typically have short and streamlined bo.s. The first tagma of the fly, the head, bears the eyes, the antennae, and the mouthparts (the labrum, labium, mandible, and maxilla make up the mouthparts).