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8

A ten per cent DDT dust is good for around the home. He also recommended usage of 50 per cent wettable chlordane or DDT for home grounds. This was to be used in conjunction with fly control on the farm and city lot. At PuyalluP6 Washington, Crumb (1941) recommended a poison bait using the proportions 12 pounds of wheat bran, one pound of poison (sodium fluosilicate or sodium fluoride) and one quart of fish oil. This formula proved most practical, economical and effective in the test of a series of different poisons. Also at Puyallup, Getzendaner (Crumb,1941) proposed a bait made of bran, 12 pounds; sodium fluosilicate, one pound; and fish oil. Barnes (1946) describes an earwig trap consisting of a flower pot stuffed with two grooved boards fastened together and placed in a tree. Also, he suggested a greased bottle containing sugar or a cigar box buried with the lid partially open. He found that a two- or three-foot length of garden hose laid in the garden served as a hiding place for earwigs and scalding water poured into the hose readily killed them. Bantam chickens were reported to control earwigs around a home, according to Manis (1947) of the University of Idaho, but he deemed DDT to be still better. In 1953, Warner obtained control by application to the soil of two and one-half to three pounds aldrin per acre in the Merced fig and peach orchards of California.