Discovery of subspecies toxic to dipteran and coleopteran insects in 1977 and 1983, respectively.
1977年以前只发现13个亚种,而且这些亚种都只对鳞翅目害虫有效。
Discovery of subspecies toxic to dipteran and coleopteran insects in 1977 and 1983, respectively.
1977年以前只发现13个亚种,而且这些亚种都只对鳞翅目害虫有效。
The community species mainly consisted of Coleopteran and Lepidoptera secondly.The above-mentioned 2 species made up the main body of this community in which initial pests dominated in number.
口农产
昆虫群
种组成差别
大,5种
口农产
除大蒜外,初期性害虫在数量上均占有相当大
优势。
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