angela postle , from maroochydore in southeast queensland , stumbled upon the bizarre spectacle last month after slicing some oranges she bought from a local supermarket .
the mother-of-five sent the fruit of to queensland environmental health branch for testing , but their first round of scientific tests were to no avail .
` i 'm very worried because i feed my kids a lot of oranges and fruit .
we need answers because this could be a more widespread problem , ' ms postle said that