What does the rhino beetle eat?

hey.i bought a rhino beetle..it has 3 horn on its head..i do some research n its specific name is megaceras..i dont know it is true or not.haha.i wanna ask u what this beetle eat? i gave it jelly on the first day and it eat it..when i give it on the second day,it never touch it..what should i do?? i give sugarcane today but it dont touch it yet..i dont know what to do..can u help me??? and some more,i want to know how the cage for this beetle?can i put,sand or shaving woods??