Word: larval
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Dates: during 1970-1979
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...predator mosquito that has raised the hopes of USDA scientists is a creature with the formidable name of Toxorhynchites rutilus rutilus. During its larval stage in stagnant water, the mosquito feeds on the larvae of more common, biting and disease-carrying cousins, like the Aedes aegypti, which also breeds in pools and water-filled containers. Although the Tx. rutilus is found from Florida to Canada and as far west as Texas, it is not very prolific by insect standards and does not exist naturally in numbers large enough to control the population of other mosquitoes. That deficiency presents no problem...
...entomologist at the U.S. Forest Service's research labs in Corvallis, Daterman has been battling the Douglas-fir tussock moth, a major pest to the lumber industry in the Far West. In their larval stage, the voracious little insects can destroy a whole stand of valuable fir trees. For the past two years, Daterman and his colleagues at the Forest Service have been setting out forest traps baited with a man-made duplicate of the female moth's chemical sex-attractant pheromone. The object: to lure males, who can sniff out a mere trace of the powerful stuff...
...insect's life cycle is also an asset to its survival. Many insects are completely metamorphic, passing from egg through larval, pupal and sometimes suspended stages before developing into full-fledged adults that can then mate and start the process all over again. This enables them to take advantage of a wide variety of food supplies. Insect fecundity is frightening. Many species lay hundreds or thousands of eggs after each mating. Some pass through their entire life cycles, from egg to adult, in a matter of days or weeks, producing dozens of generations a season. This gives them an enormous...
...called Altosid SR-10, which is chemically similar to the juvenile hormone secreted by insects during an early stage of development. Approved for use against floodwater mosquitoes only, the compound prevents harmless juveniles from maturing into annoying adults. Mosquitoes exposed to the chemical are trapped and die in their larval or pupal stages. William Robbins, of the U.S. Department of Agriculture's research
...texture of time" section of Ada, perhaps even from the specific question asked there. "Has there ever been a 'primitive' form of Time in which, say, the Past was not yet clearly differentiated from the Present, so that past shadows and shapes showed through the still soft long, larval...