在英国，官方称这种病为“栎猝死病”，它放过了栎树，却传播到北美杜鹃花和日本落叶松上。
In Britain the disease, officially known as phytophthora ramorum, spared oaks and jumped to rhododendrons and Japanese larch trees.
目前还没治愈这种病的方法，MrClark警告说东南部的日本落叶松可能会全军覆没。
There is no known cure for the disease and Mr Clark warned that Japanese larch could be wiped out in the South West.
早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量，进而间接地使鞘蛾种群密度降低。
Early and late frost, Dedrolimus superans, sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density.
早霜、晚霜、松毛虫、叶蜂及落叶松早期落叶病等都能直接影响鞘蛾食物的质量和数量，进而间接地使鞘蛾种群密度降低。
Early and late frost, Dedrolimus superans, sawfly and needle cast of larch could reduce the quality and quantity of foods of larch casebearer and had indirect effects on its population density.
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