Jul 15 (NHK) - Hundreds of highly poisonous fire ants have been found at the port of Yokohama, near Tokyo.
Officials of the Environment Ministry found more than 500 ants near containers at a wharf on Friday.
The officials say experts later confirmed them to be fire ants.
They say the survey also found larvae and pupae -- each numbering more than 100 -- and this suggests that the fire ants are reproducing at the wharf.
Source: ANNnewsCH