Aphids (Aphis spp.) do not bite human beings or chew plant leaves. Instead, these small, soft-bodied insects insert microscopically thin, piercing mouthparts into plant leaf and stem phloem and feed off of sugar-rich plant juices. ... The saliva prevents wound healing, causing leaves to curl and become distorted.

Can aphids make you itch?

The skin does not take kindly to the invasion. As the mites burrow and lay eggs inside the skin, the infestation leads to relentless itching and an angry rash”. Aphids are small sap-sucking insects and members of the superfamily Aphidoidea.

Do aphids hurt humans?

Although woolly aphids aren't dangerous or poisonous to humans, they're considered a notable nuisance; the irritant itself comes from what woolly aphids produce - honeydew. Woolly aphids feed on plant juices using mouth parts called stylets.