Giant mesquite bug (juvenile)

Dry deserts and scrublands of the southwestern United States and northern Mexico, especially around mesquite trees.

Nymphs and adults suck sap from mesquite pods, flowers, and young stems using piercing-sucking mouthparts.

Nymphs are brightly colored and gregarious, often clustering on mesquite. They molt through several stages before becoming winged adults; the vivid coloration may deter predators.

Harmless to people and not considered a significant pest. It contributes to desert food webs as prey and participates in mesquite-associated nutrient and plant-insect interactions.