Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 15.0cm, Width 12.5cm, Depth 12.5cm Tree hollow front entrance 4.5cm x 2.5cm Tree hollow top entrance 5.5cm x 2.5cm (See photo 9) - Material: Natural wood (Quercus acutissima) - Uses: Insect breeding perch, hideout, feeding platform - Features: With a jelly holder hole on the top. (Diameter 4cm) For reference, a photo of a Dorcus hopei binodulosus (75mm) is included. ※The Dorcus hopei binodulosus is not included in the product. Japanese rhinoceros beetle Japanese flat stag beetle