Mexican Wedgetail
Acanthagrion quadratum
- Least concern
- Card rarity: Common
- Insects

Acanthagrion quadratum, or Mexican wedgetail, is a pond damselfly of the family Coenagrionidae. It was first described by Edmond de Sélys Longchamps in 1876.
Classification
- Class
- Insecta
- Order
- Odonata
- Family
- Coenagrionidae
- Genus
- Acanthagrion