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该文用解剖镜和电子显微镜对滞育和非滞育棉铃虫Ｈｅｌｉｃｏｖｅｒｐａａｒｍｉｇｅｒａ前胸腺的形态解剖结构进行了比较研究。结果发现滞育棉铃虫的前胸腺细胞及其细胞间隙相对较小，不易着色，细胞核规则，较小，细胞质中几乎见不到光滑内质网和粗面内质网，线粒体极少，这些观察到的现象充分说明滞育棉铃虫的前胸腺活性较低。
In this paper, morphological and anatomical structures of Helicoverpaarmigera anterior thymus of diapause and non-diapause cotton bollworm were comparatively studied by using dissecting microscope and electron microscope. The results showed that the diapause cotton bollworm thymocytes and their intercellular space is relatively small, not easy to stain, the rules of the nucleus is small, almost no smooth endoplasmic reticulum and rough endoplasmic reticulum in the cytoplasm, very few mitochondria, these observations The phenomenon to the full description of diapause cotton bollworm thymus activity is low.