I found this Decora Longicorn Beetle Amphirhoe decora on a window inside of the house and guess that the most likely reason for it being inside is that it came out of the firewood stored ready for our winter fires. This species is known to favour Acacia species and there are quite a few logs of black wattle in the stack. The larvae chew their way through the timber, when mature and pupate and emerge to find a mate.
This beetle is approximately 18mm in length. It is predominantly dark brown in various shades of red and has a white stripe over each of its two wing covers. Its femurs are the largest of all longicorn beetles. As is typical for longicorn beetles, its antennae are extremely long - three times the length of its body.(Wikipedia)
