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An insect defined
Spraying and dusting equipment
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adults emerge aphids apple applied arsenate of lead ash trees attack beans begin to feed blister beetle borers bran brown bugs butterﬂy cabbage cabbage worm calcium arsenate caterpillars cause injury color Colorado potato beetle contact insecticides corn cricket crops CURCULIO cutworms destroy dust early egg laying eggs eggs hatch enlarged enter the soil female ﬁeld Figure ﬁrst ﬁve ﬂies ﬂower ﬂy foliage fruit full grown fumigants gall gallons of water grasshoppers ground grubs HISTORY inch in length infested plants infested trees insect pests insecticides June kill large numbers larvae lay eggs leaf leafhopper leaves mixture molasses North Dakota nymphs overwinters Paris green pest plum poison bait powdered arsenate pupa or resting pupa stage Pyrethrum resting stage rose satisfactory results scale insects scurfy scale serious injury sprayer spring stems stripes summer tiny tomatoes U. S. Bur usually Various species vegetation weather weeks wireworm wireworm injury worm young larvae