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Aphids are tiny insects that are harmful to plants. This is an adult winged female.

Aphid

Aphids are tiny insects that are harmful to plants. This is an adult winged female.

Aphids are tiny insects that are harmful to plants. This is a wingless larval female.

Aphid

Aphids are tiny insects that are harmful to plants. This is a wingless larval female.

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Aphid

Aphids, also known as plant lice, are small plant-eating insects, and members of the superfamily Aphidoidea.…

An illustration of a female hop aphid. Aphids, also known as plant lice (and in Britain as greenflies), are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Hop Aphid (Female)

An illustration of a female hop aphid. Aphids, also known as plant lice (and in Britain as greenflies),…

An illustration a hop aphid in larval form. Aphids, also known as plant lice (and in Britain as greenflies), are small plant-eating insects, and members of the superfamily Aphidoidea. Aphids are among the most destructive insect pests on Earth.

Hop Aphid (Larva)

An illustration a hop aphid in larval form. Aphids, also known as plant lice (and in Britain as greenflies),…

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Roots of vine, showing swellings." -Whitney, 1911

Grape Gall Louse Damage

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Roots of vine, showing…

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Larva as it appears when hibernating." -Whitney, 1911

Grape Gall Louse Larva

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Larva as it appears…

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse." -Whitney, 1911

Grape Gall Louse

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse." -Whitney, 1911

Grape Gall Louse

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse." -Whitney, 1911

Grape Gall Louse

"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…

Minute plant-feeding insects. They vary in size from 1-10 mm long.

Plant Louse

Minute plant-feeding insects. They vary in size from 1-10 mm long.

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied, wingless female aphid appear and give birth to young aphids. They suck the juices from leaves or twigs.

Wooly Aphis on Alnus

Woolly aphis is a plant lice. Eggs are attached to twigs during the winter. In the spring soft-bodied,…