May 2014. A caterpillar from Annona was sent to PestNet from Sri Lanka. The caterpillar is said to bore into the trunk, and it also eats the bark and makes channels in it. It was thought to be Indarbela quadrinotata.

It was sent to Dave Britton at the Australian Museum who is a PestNet Associate and he wrote the following:

Jayanthi is on the right track. I’ve compared the images she sent with images in Holloway “Moths of Borneo” – while it is pretty risky using just adult habitus for identification, the species that her specimens most closely resemble is Squamura disciplaga(Cossidae). Holloway notes that Indarbelamay be a synonym of Squamura, and certainly the two genera appear to have been used interchangeably in the literature (depending on whether the authors are talking about Subcontinental vs SE Asian moths). S. disciplagais highly polyphagous and larvae have been found on all sorts of ornamentals, forestry and fruit trees, and occurs in India. For example:

http://books.google.com.au/books?id=pXRVKymuLqEC&pg=PA120&lpg=PA120&dq=squamura+disciplaga&source=bl&ots=zRk9P6BoXX&sig=8EuKTXqCWF2bnG-hPQ0yv8IYvZ4&hl=en&sa=X&ei=0kRwU7fmHsqnkgWl1IHgDw&ved=0CEYQ6AEwBQ#v=onepage&q=squamura%20disciplaga&f=false