在北京的白皮松Pinus bungeana、桧柏Juniperus chinensis和龙柏J.chinensis'Kaizuca'上发现了一种椿象,刺吸寄主植物针叶或嫩枝.这是一种北京新记录的外来有害生物,为原产于北美洲的西部喙缘蝽Leptoglossus occidentalis Heidemann,1910.本文记述了西部喙缘蝽的形态特征、寄主植物、发生与为害情况.
First discovery of an alien insect pest,Leptoglossus occidentalis(Hemiptera,Coreidae)in Beijing
The western conifer seed bug,Leptoglossus occidentalis Heidemann(1910)(Hemiptera,Coreidae),is a newly recorded species on Pinus bungeana,Juniperus chinensis,and J.chinensis'Kaizuca'in Beijing.It was identified as an alien species from North America and was considered a harmful tree pest.The present paper described its morphological characteristics,host plants,occurrence and damage.
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