Insects, Volume 15, Issue 7 (July 2024) – 95 articles
Cover Story (view full-size image):
The brown marmorated stink bug, Halyomorpha halys, originally from Asia, has become a pest in various parts of the world. The sterile insect technique (SIT), which involves sterilizing insects through ionizing radiation before releasing them into a field, is one method for controlling this pest. This study investigates the ultrastructure of H. halys spermiogenesis in both irradiated and non-irradiated males. Typical hemipteran sperm characteristics were observed. Additionally, as shown in these two images, two centrioles were sometimes observed in spermatids, with one disappearing as time progressed—an unprecedented feature in insect spermiogenesis. In irradiated adults, the cysts displayed inconsistent radiation effects, such as disorganized sperm arrangement, incomplete cell divisions, multiple organelles within single cells, failure to reabsorb cytoplasm, and the absence of axonemes. View this paper
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