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
Bookworm (insect) Bookworm (insect) Bookworm is a popular generalization for any insect that is said to bore through books. True book-borers are uncommon. Two types of moths, the common clothes moth and the brown house moth, will attack cloth bindings. Leather-bound books attract various beetles, such as the larder beetle, drugstore beetle and the larva of the black carpet beetle. Larval death watch beetles and common furniture beetles will tunnel through wood and paper (if it is nearby the wood). A major book-feeding insect is the book or paper louse (also known as booklouse or paperlouse). These are tiny (under 1 mm),