Thrips

Definition

A genus of minute, slender insects in the order Thysanoptera, characterized by fringed wings with reduced venation and asymmetrical mouthparts adapted for piercing and sucking. Members of this genus exhibit the distinctive 'clap and fling' flight mechanism, wherein the wings meet dorsally and then peel apart to generate unsteady aerodynamic lift through transient vortices rather than conventional steady-state circulation. The genus, established by Linnaeus in 1758, serves as the type genus of family Thripidae and has lent its name to numerous derived genera formed by prefix addition.

Etymology

From Latin thrips (woodworm), from Ancient Greek θρίψ (thríps, woodworm)

Example

Thrips tabaci (onion thrips) and Thrips palmi (melon thrips) are economically significant agricultural pests that transmit tospoviruses and cause direct feeding damage to crops.

Related Terms

• Thysanoptera
• Thripidae
• fringed wing
• clap and fling
• asymmetrical mouthparts
• tospovirus

Usage Notes

In entomological usage, 'thrips' (lowercase, plural) refers broadly to any member of order Thysanoptera, while 'Thrips' (capitalized) designates the specific genus. The plural form of the genus name remains 'Thrips' following Latin third-declension convention. Many common pest species once classified in Thrips have been reassigned to segregate genera (e.g., Frankliniella, Scirtothrips), so older literature may use 'Thrips' more broadly than current taxonomy permits. When referring to the flight mechanism, specialists distinguish the clap-and-fling stroke from the fling-and-clap variant seen in some related taxa.