共 21 条
[3]
BALCH R. E., 1940, FOREST CHRON, V16, P179
[4]
BALL J, 1980, Journal of Arboriculture, V6, P309
[5]
BARTER G. W., 1957, CANADIAN ENT, V89, P12
[7]
Carlson R. W., 1969, Contributions of the American Entomological Institute, V4, P1
[8]
Chapman RN, 1914, J AGRIC RES, V3, P283
[9]
Chittenden F. H., 1898, USDA DIV ENTOMOL B, V18, P44