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Emerald ash borer
''Agrilus planipennis'', commonly known as the emerald ash borer (EAB) is a green jewel beetle native to eastern Asia that feeds on ash species. In its native range, it is typically found at low densities and is not considered a significant pest. Outside its native range, it is an invasive species and is highly destructive to ash trees native to North America. Prior to EAB being found in North America, very little was known about EAB in its native range; this has resulted in much of the research on its biology being focused in North America. Local governments in North America are attempting to control it by monitoring its spread, diversifying tree species, insecticides, and biological control.
==Range==
The natural range of the emerald ash borer is eastern Russia, northern China, Japan, and Korea. It is invasive in North America where it has a core population in Michigan and surrounding states and provinces. Populations are more scattered outside the core area, and the edges of its known distribution range north to the upper peninsula of Michigan, south to northern Louisiana, west to Colorado, and east to Massachusetts 〔(【引用サイトリンク】 publisher =USDA Forest Service )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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