This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.
這是首次在我國發(fā)現(xiàn)可靠的陷胸莖蜂化石,也是該亞科在侏羅紀(jì)的首次報(bào)道.
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Japanes elm sawfly is a kind of main phyllophagous insect to Ulmus L.
榆葉蜂是巴盟榆樹的主要食葉害蟲,發(fā)展速度快、食葉量大,危害嚴(yán)重.
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