日本的植物检疫条例历来规定:禁止从有苹果蠹蛾 Laspeyresia pomonella L.发生的国家进口落叶树水果。今天,除了日本以外世界上大部分地区都有苹果蠹蛾发生,而且已成为苹果、梨的主要害虫。对于其他的果实,包括樱桃,虽然也可为害,但在加拿大不列颠哥伦比亚为害甚微。不过,在这地方,对该种的主要寄主如苹果、梨也都采用了适当的防治措施。虽然,已经找到了用溴甲烷熏杀苹果内苹果蠹蛾幼虫的办法(Moffitt 1971,Mor- Japan’s phytosanitary regulations have always provided: the prohibition of imports of deciduous tree fruit from countries where codling moth Laspeyresia pomonella L. occurs. Today, codling moth occurs in most parts of the world except Japan and has become a major pest of apples and pears. For other fruits, including cherries, although harmful, can not be done in British Columbia, Canada. However, in this area, appropriate prevention and control measures have been adopted for the main hosts of the species, such as apples and pears. Although it has been found that methyl bromide is used to smother apple caterpillar moth larvae in apple (Moffitt 1971, Mor-