Here are some useful links for your further information.
Federation of Asia and Oceania Pest Manager Associations (FAOPMA) http://www.faopma.com
The Pest Management Association of New Zealand Inc http://www.pmanz.co.nz
National Pest Management Association http://www.pestworld.org
British Pest Control Association http://www.bpca.org.uk
Department of Medical Entomology, ICPMR, Westmead Hospital http://medent.usyd.edu.au/bedbug
NSW Food Authority http://www.foodauthority.nsw.gov.au