Published: February 25, 1996Received: July 03, 1995Available on J-STAGE: February 12, 2009Accepted: September 21, 1995
Advance online publication: -
Revised: -
Defoliation by Hyphantria cunea was surveyed in Tsukuba in 1988 and 1989. There was a significant positive correlation between the proportion of defoliation and the proportion of plant ground.