* Fortuner R (1970) On the morphology of Aphelenchoides besseyi Christie, 1942 and A. siddiqi n.sp. (Nematoda, Aphelenchoidea). Journal of Helminthology VLIX 2, 141-152.
* Thiengo SC, Faraco FA, Salgado NC, Cowie RH, Fernandez MA (2007) Rapid spread of an invasive snail in South America: the giant African snail, Achatina fulica, in Brasil. Biological Invasions 9, 693-702.
* Chang LWH, Miller CE (1996) Pathway Risk Assessment: Pink mealybug from the Caribbean. Animal and Plant Health Inspection Service, U.S. Dept. of Agriculture 61 pp.
