Aphid

Scientific Name: Aphididae (Family)

Order & Family: Order Hemiptera; Family Aphididae

Size: 1 to 10 millimeters

Aphid

Natural Habitat

Found on the undersides of leaves and stems of a wide variety of plants in gardens, forests, and agricultural settings.

Diet & Feeding

Herbivorous; they use piercing-sucking mouthparts to feed on plant sap (phloem).

Behavior Patterns

Often found in large colonies; they reproduce both sexually and asexually (parthenogenesis). They secrete a sticky substance called honeydew which can attract ants and promote fungal growth.

Risks & Benefits

Significant agricultural pests that can cause leaf stunting, yellowing, and transmit plant viruses. They benefit the ecosystem by serving as a primary food source for beneficial insects like ladybugs and lacewings.

Identified on: 1/6/2026