- Shibata, E., Y. Waguchi, and Y. Yoneda. 1994. Seasonal flight of an ambrosia beetle, Xyleborus validus Eichhoff, in Japanese cedar stands. Applied Entomology and Zoology 29593-594.
- Yoshikowa, K., H. Takeda, K. Sone, and E. I. Shibata. 1986. A study of the subcortical insect community in pine trees, I: oviposition and emergence periods of each species . Applied Entomology and Zoology 21:258-268.