1. Asia Pacific Resources International Holdings Ltd. (APRIL), Riau Andalan Pulp and Paper (RAPP), Pangkalan Kerinci, Riau, Sumatra, Indonesia, 28300
2. Department of Entomology, Gandhi Krishi Vignan Kendra, University of Agricultural Sciences, Bangalore, India, 560065
3. PT. Toba Pulp Lestari (TPL), Porsea, North Sumatra, Indonesia, 22384