Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 15.0cm, Width 13.5cm, Tree hollow entrance 6.0cm x 2.5cm (See photo 9 for details) - Material: Natural wood - Uses: Insect breeding perch, hideout, feeding platform - Features: Two jelly holder holes on the top. (4cm diameter) The tree hollow part and the base part can be separated and removed with screws. - For reference, a photo of a 75mm long Dorcus hopei binodulosus is included. (The Dorcus hopei binodulosus is not included.) Dorcus hopei binodulosus Prosopocoilus inclinatus Japanese rhinoceros beetle