The Order Diptera, or true flies, consists of more than 150,000 species worldwide. These insects are characterized by having only two wings, instead of the typical four found in most other flying insects. Synonyms for the Order Diptera include the name "dipterans" and "two-winged flies." The group includes many important pests, like mosquitoes and fruit flies, as well as beneficial insects like pollinators and decomposers. Researchers have also discovered unique physical and behavioral adaptations in Diptera, making them a fascinating group to study. Whether you're a scientist or just an insect enthusiast, the Order Diptera presents a fascinating world of discovery.