One morning at the swimming pool in Australia in December last year I noticed a movement on the lawn. It took me a few seconds to take in what I was seeing, but finally I realised I was looking at an absolutely humungeous case moth caterpillar, munching its way in a fairly lively manner across the lawn. Luckily, I had my camera with me, so despite Simon hissing at me not to do anything weird, I photographed it. I wasn't the only one to notice it either -- a group of young women watched it for a while too. I was very pleased to note that there was no screeching or hysterionics, just a 'wow! look at that! it's huge!!' sort of interest.
adult male moth is as striking as the caterpillar. The caterpillars eat a wide range of plants and are highly mobile.