Scales (Soft Scales or Armored Scales)

Typically found attached to the stems, leaves, or fruit of host plants; they are common in gardens, greenhouses, and on houseplants.

They feed on plant sap by piercing the plant tissue with their mouthparts and sucking out the fluids.

Once they find a feeding spot, many species become sessile (stationary), secreting a protective waxy covering. They often go unnoticed until a large infestation occurs, causing plant yellowing or stunted growth.

They are major agricultural and horticultural pests that can weaken or kill plants. Some species secrete 'honeydew' which promotes the growth of black sooty mold. Benefit: Some species have historically been used to produce dyes (e.g., Cochineal).