Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 15.0cm, Width 10.0cm, Depth 10.0cm Tree hollow entrance 5.5cm x 2.5cm (See photo 9) - Material: Natural wood (Quercus acutissima) - Uses: Insect breeding perch, hideout, feeding platform - Features: The bottom is split, and the bottom can be removed with screws. A jelly holder hole is provided on the top. (4cm in diameter) For reference, a photo of a Dorcus hopei binodulosus (75mm) is included. ※The Dorcus hopei binodulosus is not included. Japanese rhinoceros beetle Japanese flat stag beetle Insect breeding