Elementary lessons on insects (1928) Elementary lessons on insects . elementarylesson00need Year: 1928 180 ELEMENTARY LESSONS ON INSECTS Fig. 64.—A storage envelope. envelopes with the wings closed together above the back. The name of the in- sect, locality and date of col- lecting should be written on the outside of the envelope. Specimens so 'papered' may then be preserved in- definitely in any pest-proof box. This is a very economical method for keeping duplicate specimens, and it is used by the best entomologists everywhere. These specimens may be 'relaxed' (see p. 186) and mounted at
Elementary lessons on insects (1928) Elementary lessons on insects . elementarylesson00need Year: 1928 180 ELEMENTARY LESSONS ON INSECTS Fig. 64.—A storage envelope. envelopes with the wings closed together above the back. The name of the in- sect, locality and date of col- lecting should be written on the outside of the envelope. Specimens so 'papered' may then be preserved in- definitely in any pest-proof box. This is a very economical method for keeping duplicate specimens, and it is used by the best entomologists everywhere. These specimens may be 'relaxed' (see p. 186) and mounted at any time later. For quick handling of small insects in large numbers (as often obtained by sweeping, or from swarms) there is a quicker and easier method. Get a small tin box and cut rectangles of glazed sheet cotton to fit it inside. Place a sheet of cotton in the bottom, then a thin layer of the insects, as they come from the cyanide bottle, then other sheets of cotton and layers of insects until the box is full. Then put on the lid and keep it away from pests. Do not use loos* cotton, for claws will hook in it and legs will be broken off; or, place layers of tissue paper next the insects. The insects will need to be relaxed before removal from the box. Where to collect.—Insects are everywhere; but particular kinds, such as this course demands—even the commonest kinds—must be sought in particular places. Here are a few suggestions as to the sources.
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