Of course, insects can also see colors, smell smells, and some can hear sounds, but the way insects feel is different from that of humans. There is a wide range of wavelengths of light visible to the human eye, but many insects respond only to specific wavelengths for activities such as foraging and nesting. For example, many insects see yellow leaves because there is a filter film in their eyes, so pest control experts have thought of using visual deception to trap crop pests, so that pests mistake yellow sticky traps for It is the leaves of the plant and stays on it, thus killing it.
Various scents are also used to trap and kill insects. There are more than 300 kinds of such scents, some of which can be smelled by humans, but most of them are used in very small amounts when trapping and killing insects, so humans basically smell them. Just not coming out. Many insects use sound to communicate with each other. For example, grasshoppers and crickets have eardrums that vibrate in response to sound, similar to the function of human ears.
