CDFA Pest Prevention Plant Regulation Practice Exam

Which of the following orders is characterized by having two wings, as seen in flies?

1. Coleoptera

2. Diptera

3. Homoptera

4. Hyemoptera

The correct answer is: Diptera

The order characterized by having two wings, as seen in flies, is indeed Diptera. This order is well-known for its members, which include various species of true flies. The defining feature of Diptera, derived from its name meaning "two wings," is the presence of a single pair of functional wings, which distinguishes them from other insects that may have two pairs of wings, such as butterflies and beetles. In addition to their two wings, Diptera also possess a pair of modified wings known as halteres, which are balance organs that help with stability during flight. This adaptation is crucial for their aerial maneuverability and is a notable characteristic that aids in their identification. Understanding the structure and classification of insects is essential in pest management and regulation, as it helps professionals identify insect species accurately, which influences control measures and biological management strategies.