Palo Verde Root Borer

Semiarid deserts of the Southwestern United States and Mexico, often found near Palo Verde or Mesquite trees.

Larvae feed on the roots of trees (especially Palo Verde); adults rarely eat, living off stored fat to find a mate.

Active primarily during summer monsoons; adults are nocturnal and often attracted to lights. They have a multi-year larval stage underground.

Generally harmless to humans but can deliver a painful pinch with large mandibles if handled; can weaken or kill host trees in high numbers.