The above picture is that of a lime butterfly caterpillar which is probably in its third stage (instar)of moulting. The picture below is that of the same caterpillar after two more moultings. Now it is in its last 'instar' and the next stage will be the pupa and then the lime butterfly. The host plant is the Chinese Orange tree.
If the caterpillars of lime butterfly are fast eaters, they pale in comparison with the moth caterpillar's eating capacity. The picture below is that of the Elephant Yam moth caterpillar. This one could devour huge leaves of the yam plant overnight and was found hiding beneath the leaf during the day. I could not observe this caterpillar in its next stage; probably a mynah or babbler found this packaged fast food irresistible. The caterpillar disappeared sometime during the day.
