In the late spring the aphid eggs hatch, and the young must have sap to drink right away.
Those ants are aphid herders, carefully tending and milking their flock.
The aphid is to the ant as the dairy cow is to the human.
In each gall the aphid matures and deposits several hundreds of eggs, from which wingless females hatch; these wander to other leaves, and each insect forms a new gall for itself.
In one case, at least, one species of ant builds for one species of aphid (which lives upon dogwood) a little mud stable which protects the aphids from all enemies.
Mr. Busgen discovered that the aphis-lion thus treated was obliged to stop and clean himself before he could go on with his hunt, and meantime the aphid walked off in safety.
The spider retreated and the aphid let its abdomen fall back in its natural position, but the little wax ball remained for some time on the tip of the tube.
How does the ant approach the aphid and ask for honeydew?
Let the pupils see an aphid sucking the juice of a plant; this may be done by bringing in a twig infested by aphids.
As the spider approached, the aphid lifted its abdomen, and thrust one of these tubes over directly in the spider's face, and on this tube there suddenly appeared a little ball of yellow wax.
He laughed in my face, and brought forward certain well-known facts in the reproduction of the aphid or cabbage-louse.
Initial symptoms of aphid attack may include "gouting" of buds or twig nodes and some twig and branch die-back.
Usually the balsam woolly aphid has two generations per year in the southern Appalachians.
The balsam woollyaphid was introduced into northeastern North America from Europe around the turn of the century.
In the feeding process the aphid injects a salivary substance into the host tree, which causes growth abnormalities.
The immature stage of the aphid known as a "crawler" is the only motile stage in the aphid's life cycle.
Then, too, the ants may establish their nests in the immediate vicinity of the aphid droves or actually keep them in their nests or in "sheds" carefully constructed for the purpose.
During the summer only the females exist and they are so astonishingly fertile that one such aphid and her progeny, supposing none dies, will produce one hundred million in the course of five generations.
The ordinary plant louse or aphid which is frequently found upon geraniums is a familiar example of an animal which reproduces largely in this way.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "aphid" in a variety of sentences. We hope that you will now be able to make sentences using this word.
