sawfly

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我发现可靠陷胸茎化石，也是该亚科在侏罗纪首次报道。

small black sawfly native to Europe but established in eastern United States;

原产于欧洲但定居在美黑色小叶；

Any of various insect larvae that live and feed within a leaf, including caterpillars, sawfly larvae, beetle and weevil grubs, and dipteran maggots.

许多在叶中生活并取食昆虫幼虫统称，包括毛虫、叶幼虫、甲虫和象甲虫以及双翅昆虫蛆。