Me pēnei te tohu i te whārangi:
Alison Popay, 'Ngā whakaahua, ngā rauemi katoa', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/mi/insect-pests-of-crops-pasture-and-forestry/media (accessed 10 December 2023)
He kōrero nā Alison Popay, i tāngia i te 24 Nov 2008