Biology of Thiotricha elaeocarpiella sp. nov. and its host plant A host plant, Elaeocarpus zollingeri (Elaeocarpaceae) B host plant, Rhaphiolepis indica (Rosaceae) C larval portable case made of a young shoot of R. indica on the underside of the leaf D larval portable cases made with flower buds of E. zollingeri E close up of larval portable cases F different types of portable cases. Left arrow indicates the portable case made of E. zollingeri, right arrow indicates the portable case made of R. indica G larva within the flower bud H pupa exuviae I resting posture of adult, dorsal view.