1. FUJIIE, A., M. TACHIBANA, Y. TAKATA, T. YOKOYAMA, N. SUZUKI and T. UECHI (1995) Appl. Entomol. Zool. 30: 23-30.
2. FUJIIE, A., T. YOKOYAMA, M. FUJIKATA, M. SAWADA and M. HASEGAWA (1993) Jpn. J. Appl. Entomol. Zool. 37: 53-60 (in Japanese with English summary).
3. KAMIONEK, M., I. MASLANA and H. SANDNER (1974) Zeszyty Problemowe Postepow Nauk Rolniczych 154: 409-412.
4. KAYA, H.K. (1990) Soil ecology. In: Entomopathogenic Nematodes in Biological Control (R. GAUGLER and H.K. KAYA, eds.). CRC Press, Boca Raton, Florida, pp. 93-115.
5. KOIZUMI, C., T. KUSHIDA and J. MITSUHASHI (1988) J. Jpn. For. Soc. 70: 417-419.