(Ancient Greek - di = sheath ; pteron = wing)
Recognised by having just one pair wings, the second pair are modified into halteres, which act as balancing organs
Insects in this order
The true flies (Diptera) include many well-known groups: e.g. mosquitoes, crane flies (‘daddy-longlegs’), midges, horseflies, bluebottles, and houseflies. They all have only one pair of membranous wings (the forewings), most of them have large eyes, and they do not have a narrow waist in the middle...