Scale (insect anatomy) and enable the insect to escape. (Forsyth 1992:12) Thomas Eisner tested spiderwebs' effectiveness by dropping various insects onto the webs. Moths were consistently able to escape, and all left impact spots where scales had stuck to the web. Eisner found these spots to be common. (Eisner 2003:218-220) Scales also help increase the lift to drag ratio in gliding flight. Successive close-ups of the scales of a Peacock wing Scale (insect anatomy) The presence of scales on the wings of Lepidoptera, comprising moths and butterflies, characterises this order of insects. The name is derived from Ancient Greek λεπίδος (scale) and πτερόν
Swallowtail (flag) Swallowtail (flag) In flag terminology, a swallowtail is either The name comes from the forked tail that is a common feature of the swallow species of birds. Common in Scandinavia, this swallowtail flag contains a vertical section in the centre of the fly. Also common in the Nordic countries, the swallowtail flag contains a third tail (the "tongue") between the other two tails. This is the shape of the United States' state flag of Ohio, as well as some burgees, private signals and pennants of the International Code of Signals (ICS) use a triangular swallowtail shape. A guidon is the