The Megacrania batesii insects live in plants that grow where?
Megacrania batesii: The peppermint stick insect ("Megacrania batesii") is a bluish-green coloured stick insect that only lives on the midribs of the leaves of the "screwpine" "Pandanus tectorius". Pandanus tectorius:  It grows in the coastal lowlands typically near the edge of the ocean.
coastal lowlands