[2][3] Females are 32-44 mm long with a dark blue body and orange wings.
[4] The females of this species sport curly antennae, while the males' are straight.
Males do not have stingers and females have ones about 7mm (¼ inch) in length.
Adults are nectarivores (feeding on flower material), but females hunt tarantulas as food for larvae, hence their name.
They are found throughout the American Southwest in desert areas.