Sandflies are a family of insects beginning with the letter S. They come from the order of flies and come in about 1,500 different species. Their body is largely covered with hairs and their wings are quite large. They are usually small in size and their color is usually grey-brown or light brown.
The silverfish is an insect whose name begins with the letter S. It is a human companion. It is an insect that moves very agile, and its body is a silvery scale. Its length can be up to 25 millimeters. They can be found in homes, because insects love warm and humid places, such as bathrooms. They appear at night because they do not like light very much.