The APLC may undertake control of the Australian plague locust generally in areas to the west of the red line shown on the map below. The boundary follows that of the Riverina Livestock Health and Pest Authority (LHPA), and parts of the Lachlan, Central West and Northwest LHPA boundaries.
The boundary was originally defined as running north along the eastern boundary of Murray, Narrandera, Condobolin, Nyngan, Coonamble Rural Lands Protection Boards; via the Newell Highway through Narrabri Rural Lands Protection Board; northeast along the southern boundary of Moree and eastern boundary of Warialda Rural Lands Protection Boards.