Definition:
"Two-winged insects" refers to a specific group of insects that typically have one pair of fully developed wings (the front pair) and a second pair that is much smaller and not used for flying. This second pair is often knob-shaped. These insects usually have mouthparts designed for sucking, lapping, or piercing.
In more scientific contexts, you might refer to these insects using their scientific classification. For instance, "Diptera" is the scientific order that includes all two-winged insects.
The term "two-winged" is quite specific in entomology (the study of insects). However, outside of this context, "winged" can refer more generally to anything that has wings, such as birds or even metaphorically to things that can be "soaring" or "inspired."
While there are no common idioms or phrasal verbs specifically involving "two-winged insects," you might encounter phrases that involve flies or insects in general, such as: - "Like a fly on the wall" – meaning to observe a situation without being noticed. - "The fly in the ointment" – referring to a small problem that spoils something that is otherwise perfect.
Understanding "two-winged insects" means recognizing that these insects are characterized by having one pair of functional wings and a second pair that is reduced. Examples include mosquitoes and flies.