Entomological Technique CircularsU.S. Government Printing Office, 1943 - Beneficial insects |
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Common terms and phrases
1-pound coffee adhesive tape Agricultural Research Administration Agriculture Agricultural Research angle iron beet leafhopper BROMIDE SOIL INJECTOR Bureau of Entomology CAGE FOR TESTING cage line carbon disulfide carton celluloid cage chamber is filled Control Investigations control levers counting plate shown Crop Insect Investigations crossholes cubic centimeters Department of Agriculture different tomato plants disk Division of Control Division of Truck double valve Entomology and Plant fishline fumigation held in place inches in diameter inlet F INSECT SELECTIVITY Japanese beetle levers are attached liquid methyl bromide loop LOW-POWER MAGNIFICATION masking strips METHYL BROMIDE SOIL MICHIGAN LIBRARIES millimeter needle H needle is completely neutral position number of leafhoppers numbered holes Plant Quarantine plungers operate pressure gauge refrigerator cars repellence of different Research Administration Bureau rubber band screen selectivity cage shown in figure solder spray supply cylinder trol levers Truck Crop Insect United States Department UNIVERSITY OF MICHIGAN White-fringed beetle wire wireworm eggs