With asexual reproduction, females can either give birth to live clones or lay eggs, all without a male aphid. … When the males are sexually mature, they can mate with the female aphid, who then produces eggs that will survive over the winter and hatch into more aphids.
Why do aphids reproduce asexually in spring?
Adult aphids cannot survive the winter, but eggs can. Without males, females can’t lay eggs. … This is why only females hatch at the beginning of the spring. The fertilized females lay their eggs on their host plants before the adult aphids die.
Why are aphids able to reproduce sexually and asexually Why would this be beneficial?
The aphids are able to multiply in various quantities by the process of asexual reproduction, because of which their population increases. Genetic variation in the aphid population will occur through sexual reproduction, which will make it more stable to live in an ecosystem.
What type of reproduction do aphids have?
The asexual phase of aphids occurs during the growing season (spring and summer) and up to 20 asexual generations can be produced if climatic conditions are favorable. In addition, asexual reproduction in aphids is associated with viviparity and telescoping of generations .
How fast do aphids multiply?
When the weather is warm, many species of aphids can develop from newborn nymph to reproducing adult in seven to eight days. Because each adult aphid can produce up to 80 offspring in a matter of a week, aphid populations can increase with great speed.
Why are aphids bad?
Really large colonies of feeding aphids can weaken plant growth, cause leaves to yellow, curl or drop early. … While landscape plants can generally tolerate extensive feeding by aphids, they can cause more serious damage to annual crops through transmission of viral diseases.