gad-fly Copy link Outline 1. tăbānus (the ordinary name)2. ăsīlus3. oestrus (Gr. οἶστρος) • gad-fly: 1. tăbānus (the ordinary name): g.s worry oxen, t. (boves) concitare solent, Varr. 2, 5, ad fin.: Plin. (t. bovinus, Linn.). 2. ăsīlus: Virg. G. 3, 147. 3. oestrus (Gr. οἶστρος): Virg. G. 1, 147 (but the oestrus was strictly a kind of large stinging-bee, Plin. 11, 16, 16).