Recently, a tiny, pesky parasite called the varroa mite was detected in Australia for the first time, and already they are absolutely wreaking havoc on bee colonies. Bees are fundamental for Australia's produce, without them - we'd lose a third of our fresh fruit and vegetables. So what impact will these mites have on our food supply? And is there anything we can do to stop them wiping out local bees entirely? Guest: Carl Smith from ABC Science