1. Entomological Laboratory, Graduate School of Agriculture, Hokkaido University
2. The Hokkaido University Museum, Hokkaido University
3. Department of Biology, College of Mathematics and Natural Sciences, Caraga State University
4. Retired researcher from Museum Zoologicum Bogoriense, Zoology Division, Research Center for Biology, Indonesian Institute for Science
5. Research Center for Biosystematics and Evolution, National Research and Innovation Agency of Indonesia (BRIN)