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Thursday, August 18, 2022

20 Facts About The Caterpillar/Butterfly

       Caterpillar. Mrs. Sigourney has written a child's poem about a butterfly, in which the beautiful insect sings as it flies through the sunny air, "I was a worm till I won my wings." Truly the ancients never conceived a myth more beautiful and wonderful than this familiar story of nature - the life history of the butterfly. 
Stages of the caterpillar and butterfly.
  1. The lovely, winged creature is the fourth and last step in the development of the insect, and the caterpillar is the second, for it is the larva, or worm, that hatches from the egg. 
  2. A study of the origin of the word caterpillar shows that it means, literally, hairy cat. 
  3. Everyone is familiar with the woolly kinds, and the name, so far as they are concerned, is not inappropriate. 
  4. There are, however, hairless kinds, the skin of which is often beautifully marked lengthwise or crosswise, or covered with rings and eye-spots.
  5. When the tiny caterpillar first emerges from the egg it proceeds to eat, for this is to be its chief duty during the larva stage. 
  6. The eggs are always deposited where plant food can easily be reached. 
  7. Before very long the skin of the worm becomes too tight, for it does not increase as the body grows larger.
  8. Accordingly the caterpillar soon crawls out through a split which occurs near the front end; that is, it molts (see Molting). 
  9. This process is repeated four or five times, and in each case a new skin has formed under the old one.
  10. The body of a full-grown worm is usually divided into twelve rings or segments, and each of the first three rings bears a pair of five-jointed legs. 
  11. There are also short leg- stumps on the abdomen, which disappear when the last molting takes place.
  12. On each side of the head there are six eye-spots; the head also bears a pair of short, three-jointed feelers, besides jaws and other mouth organs. 
  13. Glands, some with unpleasantly odorous or stinging secretions, frequently occur on the skin.
  14. There comes a time when the caterpillar ceases to eat and begins to prepare for the so-called pupal, or resting, stage. 
  15. The caterpillar stage lasts two or three months in temperate regions, but it may be of two or three years' duration in Arctic lands. 
  16. The quantity of food eaten is used to nourish the pupa. 
  17. Moth caterpillars spin a casing of silk about them, and form cocoons, while the pupal stage of butterflies is passed in a hard skin covering. 
  18. Butterfly pupae are called chrysalids. 
  19. When the pupa reaches maturity the outside casing splits open, and the butterfly comes out, rather crumpled and weak at first, but soon ready to spread its wings for a happy life in the sunshine. 
  20. The same processes of development occur in the life history of moths.

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