Word: insectes
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Dates: during 1920-1929
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...Some time ago about a dozen species of insects parasitic upon it, were imported and established, and since that time they have done much to decrease the number of Gypsy Moths. Of course the moths can never be entirely exterminated in this way, but eventually, since the parasites increase generation after generation up to a certain point, a balance is reached and a natural control of the insect pest is brought about...
Just how the parasitic insects were preserved in a fossil state so that they could be studied advantageously was not clear to the reporter until, in reply to his question, Professor Brues said that there were large numbers of insect fossils in Baltic amber...
...told the 13th annual convention of the New Jersey Mosquito Extermination Association that, after four years' study, hs had found he was safe for two or three hours from the itch-producing proboscides of mosquitoes, no matter how ravenous, after smearing on his epidermis: 14 units of ordinary insect-powder extract and 96 units of vaseline, cold cream or face-powder...
...Kruif?Harcourt, Brace ($3.50). Dr. Kruif takes a dozen bacteriologists and from a thorough knowledge of their contributions (and with perhaps as thorough knowledge of the buying public) creates of all scientists a composite dervish, solitary, crotchety, whirling now at this experiment, now at that test tube, at this insect, at that spectator...
Smithsonian Program. Study of the ultraviolet rays in sunlight; of the sea's water, waves, currents, tides and the sea's relationships to men, animals and plants; of the 600,000 odd kinds of insect that compete with man for existence on the earth; expansion of plant studies in South America (for drugs, gums, oils, spices, fibres, fruits and dyes)?that, broadly speaking, would be the program of the Smithsonian Institution this year?Austin H. Clark, Washington...