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"I'll smoke the aphids off your rose-bushes," he offered. "You are very careless about your roses!" "A 'bad tenant'?" said Mrs. Richie, smiling. And poor Blair picked himself up, and went sulkily off. But Mrs.
The best society were by common consent allowed to take the best seats very hard benches the less ambitious crowded behind, with minds fully made up not to allow themselves to be carried by enthusiasm beyond the expenditure of two sous when the plate went round; while favoured children, who were not expected to pay anything, because they had nothing, climbed into the mangers, and packed themselves as close together as aphids on a rose-stalk.
Terry had insisted that if they were parthenogenetic they'd be as alike as so many ants or aphids; he urged their visible differences as proof that there must be men somewhere.
Any of these diseases is difficult to exterminate when it once gains a foothold. The best thing to do is to get strong, vigorous cuttings, and then to give careful attention to watering, cultivation, and ventilation, and the destruction of dead and dying leaves and all runners as fast as they appear. Among insect enemies, the aphids, red spiders, eel worms, gall flies, and slugs may be mentioned.
The aphids are tended on the leaves of various plants during the summer, and are carefully reared and stabled and fed below ground during the winter months. In other species seeds are procured and stored in underground granaries.
It was other things, too. That is how it happened that when, early in the spring, the Farmer Boy examined the apple-twigs, to see whether he should put on a nicotine spray for the aphids and an arsenical spray for the tent caterpillars, he couldn't find enough aphids to spray or enough caterpillars, either. Chick, D.D. and his flock had eaten their eggs.
As before, there is the fundamental differentiation into the sexual "queens" and males, and the sterile workers concerned with the immediate material life of the community. In some species the workers serve as herdsmen, caring for the ant-cattle or aphids, from which they receive minute drops of a sweet juice for food.
Then they collect the plant lice, or aphids, and convey them into these burrows and there watch and protect them. Without the assistance of ants, it appears that the plant lice would be unable to reach the roots of the corn. In return for these attentions the ants feast upon the honey-like substances secreted by these aphids.
In carrying out our investigations it became necessary to find out whether this parasite had more than a single host insect, and whether it could develop in more than one species of aphid. To this end, recently emerged males and females were allowed to pair, after which the female oviposited in several species of aphids.
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