Sentences with phrase «scale insect density»
«Scale insect density in rural areas was not as high as it was in the city, but there was a common pattern,» Youngsteadt says.
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The data included temperature, how water - stressed the trees were, and the density of scale insects.
By evaluating the scale insect remains attached to each specimen, Youngsteadt estimated scale population density and compared it to the average August temperature for the year and place where the specimen was collected.