Spider veins are tiny, thin veins that can be seen very close to the skinâs surface. They look like red, blue, or green spider webs just beneath the skin. Sometimes they are also described as looking like marble. Spider veins are caused by a backup of blood. These become nonfunctional, âdead-endâ veins.
While the fairy fly is the worldâs smallest insect, there a few runners up! For example, the feather wing beetle is only .25 millimeters long. Some scientists think these beetles may even be smaller than fairy flies, but for now, the fairy fly is considered by many to be the âsmallest insect!â.
Home / What is the smallest and largest butterfly/moth found at Reiman Gardens. The worldâs largest butterfly is the Queen Alexandraâs Birdwing. It has a wingspan of 12 inches and is native to Papua New Guinea. The worldâs smallest butterfly is the Western Pygmy Blue.It has a wingspan of 0.5 to 0.75 inch and is native to the western U.S. The worldâs largest moth is the Atlas Moth.It has a wingspan of 10 inches and is native to Southeast Asia. The worldâs smallest moth is a Nepticulid moth, a leaf miner.he worldâs smallest butterfly is the Western Pygmy Blue. It has a wingspan of 0.5 to 0.75 inch and is native to the western U.S. The worldâs largest moth is the Atlas Moth. It has a wingspan of 10 inches and is native to Southeast Asia. The worldâs smallest moth is a Nepticulid moth, a leaf miner.