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And I did. I found not just one caterpillar, but instead I found at least 5 Common Rose and 1 Common Birdwing caterpillars of various stages on the Aristolochia acuminata (synonym: A. tagala; common name: Indian Birthwort, Dutchman's Pipe) climber.
The bad news was, none of the 5 bats were around and I hoped there were still around somewhere. Anyway, links on the Aristolochia are below: