STORIES OF INSECT LIFE. Dieser Artikel ist nicht verfügbar.STORIES OF INSECT LIFE

Excerpt from Stories of Insect Life: Second Series Summer and Autumn

IN studying insects it is very desirable to be able to keep them under observation from day to day. For this purpose various sorts of breeding cages are commonly employed. A breeding cage is simply a closed vessel in which a caterpillar or other insect may be kept alive and fed, so that it will go through the cycle of its changes where it can be seen. A Simple form of such a cage consists of a lantern globe or lamp chimney resting upon a wide, Shallow dish, in which sand or earth to a depth of two or three inches has been placed. When it is to be used for large caterpillars a small glass vial nearly full of water is set down in the sand in the middle of the space, with the top of the vial projecting somewhat above the surface. In this vial a leaf or branch of the food plant is placed. The cage is now ready for the caterpillar, which will find its food kept fresh for two or three days by the water in the vial. Then a new leaf or branch may be exchanged for the old one. The open top of the lamp chimney is to be kept covered with a small piece of mosquito netting, held'in place by a rubber band. For the lower dish a flowerpot or a flower pot saucer serves the purpose very well.

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