Abstract
I HAVE already described1 the development of the reproductive organs in the male of the cockchafer (Melolontha melolontha L.) and the origin, development, and function of the spermatophore. The Spermatophore is formed in the copulatory sac of the male while it is inserted in the bursa copulatrix of the female. The contents of the genital duct (bundles of inactivated spermatozoa, cyst cells) and the secretion of the accessory glands (the hyaline component staining green with Masson's trichrome, a granular component staining red, and basophil droplets staining blue-violet) are expelled into the copulatory sac. Within three hours of copulation, the spermatophore is encased in a protein membrane and deposited in the bursa copulatrix.
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References
Landa, V., Acta Soc. Ent. Czechoslov., 56, 313 (1959); 57, 297 (1960).
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LANDA, V. Use of an Artificial Spermatophore in the Study of Activation of Spermatozoa and Development of Spermatophores in the Cockchafer. Nature 190, 935–936 (1961). https://doi.org/10.1038/190935a0
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DOI: https://doi.org/10.1038/190935a0
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