The Giant African Snail (Lissachatina fulica or GAS

The species has been observed in Bhutan (Gyelposhing, Mongar), where it is an invasive species since 2006 and their number increased drastically since 2008.[15][16] It has begun to attack agricultural fields and flower gardens. It is believed there that dogs have died as a result of consuming the snail and being infected by the rat lungworm, Angiostrongylus cantonensis and causes eosinophilic meningitis in humans.[17]

Starting in 2010,[18] individuals of the species have been found in the humid, subtropical Argentine Mesopotamia. The National Agricultural Health Service has established an ongoing project to detect, study, and prevent the expansion of this pest