K. Fukuyama, RELATIONSHIP BETWEEN URBANIZATION AND DEF OLIATION BY THE FALL WEBWORM HYPHANTRIA-CUNEA DRURY (LEPIDOPTERA, ARCTIIDAE) ON ROADSIDE TREES, Nippon Oyo Dobutsu Konchu Gakkai-Shi, 40(1), 1996, pp. 83-84
Defoliation by Hyphantria cunea was surveyed in Tsukuba in 1988 and 19
89. There was a significant positive correlation between the proportio
n of defoliation and the proportion or plant ground.