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Rh is another reason why the work should be done in the open and that is because of the sickening stench of the gas. Comb thus treated should be stored in a perfectly tight receptacle, or else be set an inch or so apart on shelves. The bee-moth caterpillar does not seem to like to work in combs that are not set as closely together, as they are in the hives.

If combs infested with the bee-moth are subjected to a temperature of 10° F. the moth is usually exterminated. However, the pest normally passes the winter in the pupa state, and seems to be able to survive in hives left out of doors, wherever the bees can survive. It should be remembered that the bee-moth works only during the summer from May until October, and remains quiescent during the winter. As a matter of fact the modern up-to-date bee-keeper has almost no trouble with the bee-moth. It is a special enemy of the heedless and careless man who neglects his hives, and thus may well deserve to have his bees exterminated.

If a colony is attacked by the bee-moth, the hive should be thoroughly cleaned; new good comb should be introduced and only enough so that the bees can cover it. The infested comb should be fumigated with carbon bisulphide, and after the moths are killed it may be given to a strong colony to clean out and use.

THE INDIAN-MEAL MOTH (Plodia interpunctella)

The Indian-meal moth sometimes forsakes its bins of grain and meal and devastates the honey-