This order includes small, slender and flat insects. The wings are very narrow with greatly reduced venation and fringed with long hairs. They are usually 1-2 mm long. They have asymmetrical piercing mouthparts which are used to rupture plant cells. The tarsi have have 1 or 2 segments, each with a protrusible vesicle. The antennae are short with 6-10 segments. The metamorphosis includes 1 or 2 inactive pupal instars.
For more details see the respective page in Wikipedia.
This group refers to plant pests only, for other groups of Thysanoptera see:
The following families of Thysanoptera (plant pests) are included in the system: