YearbookU.S. Government Printing Office, 1952 |
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Page 22
... stages of all insects and all stages of many species are wing- less . Thus early in life they learn to walk , crawl ... stage of development . Males eventually de- velop into fully legged and also winged adults , which seek out and mate ...
... stages of all insects and all stages of many species are wing- less . Thus early in life they learn to walk , crawl ... stage of development . Males eventually de- velop into fully legged and also winged adults , which seek out and mate ...
Page 24
... stage in the development of the insect from birth to adult . Between the beginning and end of this cycle , few ( 3 or 4 ) or many ( 6 to 17 ) different stages or types of individuals may appear . To know these for more than a few groups ...
... stage in the development of the insect from birth to adult . Between the beginning and end of this cycle , few ( 3 or 4 ) or many ( 6 to 17 ) different stages or types of individuals may appear . To know these for more than a few groups ...
Page 27
... stage of development , may or may not be fully fed , but nevertheless is in condition to withstand the rigors of the cold season in the temperate and arctic regions . Hibernation is almost uni- versal among insects in those areas . The ...
... stage of development , may or may not be fully fed , but nevertheless is in condition to withstand the rigors of the cold season in the temperate and arctic regions . Hibernation is almost uni- versal among insects in those areas . The ...
Page 42
... stage , we may assign some form of memory or nostal- gia to account for the return of the gravid butterfly to a cabbage head after a round of sipping the nectar of sweetly scented flowers . That may seem a bit farfetched , but it is ...
... stage , we may assign some form of memory or nostal- gia to account for the return of the gravid butterfly to a cabbage head after a round of sipping the nectar of sweetly scented flowers . That may seem a bit farfetched , but it is ...
Page 46
... stage , dur- ing which all growth occurs . When de- velopment is complete , the larva changes into a pupa , which is the rest- ing , inactive stage , and then the re- markable transformation to the adult insect takes place . Most of the ...
... stage , dur- ing which all growth occurs . When de- velopment is complete , the larva changes into a pupa , which is the rest- ing , inactive stage , and then the re- markable transformation to the adult insect takes place . Most of the ...
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Common terms and phrases
acre adult aerosol Agriculture alfalfa animals aphids applied areas arsenate attack bait boll bollworm borer breeding bugs Bureau of Entomology California cattle cause chemical chlordane citrus corn cotton crops damage dieldrin disease dosages dust effective eggs emulsion Entomology and Plant feed field flies flowers fruit fumigation grain grasshoppers growers grubs hatch honey bees host house flies important inches infested injury insect pests insecticides Japanese beetle kill laboratory large numbers larvae lead arsenate leaf leafhopper lice lindane livestock mate material ment methods methoxychlor methyl bromide mites mosquitoes moth nest organic parasites parathion peas percent Plant Quarantine poison pollen potato pounds psyllid Quarantine residues resistant scale insects season secticides sects seed soil species specimens spores spray sprayers spread stage studies temperature tests ticks tion toxaphene toxic treated treatment trees trol usually varieties virus weed weevil wings worms
Popular passages
Page 311 - ... if any word, statement, or other information required by or under authority of this Act to appear on the label or labeling is not prominently placed thereon with such conspicuousness (as compared with other words, statements, designs, or graphic matter in the labeling) and in such terms as to render it likely to be read and understood by the ordinary individual under customary conditions of purchase and use...
Page 311 - First. If any substance has been mixed and packed with it so as to reduce or lower or injuriously affect its quality or strength. Second. If any substance has been substituted wholly or in part for the article. Third. If any valuable constituent of the article has been wholly or in part abstracted.
Page 303 - economic poison" means (1) any substance or mixture of substances intended for preventing, destroying, repelling, or mitigating any insects, rodents, nematodes, fungi, weeds, and other forms of plant or animal life or viruses, except viruses on or in living man or other animals, which the Secretary shall declare to be a pest, and (2) any substance or mixture of substances intended for use as a plant regulator, defoliant or desiccant. b. The term "device...
Page 311 - Act; (c) if the labeling accompanying it does not contain directions for use which are necessary and if complied with adequate for the protection of the public; (d) if the label does not contain a warning or caution statement which may be necessary and if complied with adequate to prevent injury to living man and other vertebrate animals...
Page 311 - misbranded" shall apply — • (1) to any economic poison or device if its labeling bears any statement, design, or graphic representation relative thereto or to its ingredients which is false or misleading in any particular...
Page 311 - If any word, statement, or other information required by or under authority of this chapter to appear on the label or labeling is not prominently placed thereon with such conspicuousness (as compared with other words, statements, designs, or devices, in the labeling) and in such terms as to render it likely to be read and understood by the ordinary individual under customary conditions...
Page 313 - Act, or is otherwise dangerous to the health of the people of the United States, or is of a kind forbidden entry Into, or forbidden to be sold or restricted in sale In the country In which it is made or from which It Is exported...
Page 311 - ... (e) if the label does not bear an ingredient statement on that part of the immediate container and on the outside container or wrapper, if there be one, through which the ingredient statement on the immediate container cannot be clearly read, of the retail package which is presented or displayed under customary conditions of purchase...
Page 313 - That upon the payment of the costs of such libel proceedings and the execution and delivery of a good and sufficient bond to the effect that such articles shall not be sold or otherwise disposed of contrary to the provisions of this Act, or the laws of any State, Territory, District, or insular possession, the court may by order direct that such articles be delivered to the owner thereof.
Page 14 - ... else, an Egyptian mummy; and which, lastly, after remaining in this state, without food and without motion, for three years longer, should, at the end of that period, burst its silken cerements, — struggle through its earthly covering, and start into day a winged bird: — What, think you, would be the sensation excited by the strange piece of intelligence...