The potential for extensive adult movements is one of the key factors contributing to the success of Heliothis spp. as pests (Farrow & Daly 1987, Fitt 1989).

Traps baited with sex attractants ( 1 pheromone 1 traps) are presently being used by a number of farmers in Central Queensland to monitor P. scutigera populations and for timing insecticide sprays.