Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 25.0cm, Width 15.0cm, Tree hollow entrance 6.0cm x 3.0cm (See photo 10 for details) - Material: Natural wood (Japanese oak) - Uses: Insect breeding perch, hideout, feeding platform - Design: Natural wood texture - Features: With a jelly placement hole on the top (4cm in diameter). The tree hollow part and the base part can be separated and removed with screws. - For reference, a photo of a Dorcus hopei binodulosus (75mm) is included. (The Dorcus hopei binodulosus is not included.) Dorcus hopei binodulosus Prosopocoilus inclinatus Japanese rhinoceros beetle Kuwalium (likely a typo for "terrarium") Hollow