Invertebrates[edit] Spermatophores are the norm in arachnids and several soil arthropods. In various insects, such as bush crickets, the spermatophore is often surrounded by a proteinaceous spermatophylax. The function of the spermatophylax is to cause the female to relinquish some of her control over the insemination process allowing full sperm transfer from the spermatophore.[5] Some species of butterflies and moths also deposit a spermatophore into the female during copulation. Examples include the speckled wood butterfly[6] or the ornate moth, where males invest up to 10% of their body mass in creating a single spermatophore.[7] These butterfly species have been known to use mud-puddling behavior, as demonstrated by Dryas iulia, to obtain the minerals needed in spermatophore production.[8]

Vertebrates[edit] Some vertebrates also reproduce via spermatophores. Males of most salamander and newt species create spermatophores, which the females may choose to take up or not, depending on the success of the male's mating display.[9]

References[edit] ^ Nina Wedell, Tom Tregenza & Leigh W. Simmons (2008), "Nuptial gifts fail to resolve a sexual conflict in an insect", BMC Evolutionary Biology, 8: 204, doi:10.1186/1471-2148-8-204, PMC 2491630 , PMID 18627603  ^ Peter D. Sozou & Robert M. Seymour (2005), "Costly but worthless gifts facilitate courtship", Proceedings of the Royal Society B, 272 (1575): 1877–1884, doi:10.1098/rspb.2005.3152, PMC 1559891 , PMID 16191592  ^ Gonzalez, A.; Rossini, C.; Eisner, M.; Eisner, T. (1999). "Sexually transmitted chemical defense in a moth (Utetheisa ornatrix)". Proceedings of the National Academy of Sciences USA. 96 (10): 5570–5574. doi:10.1073/pnas.96.10.5570.  ^ Jones; Odendaal, Ehrlich (January 1986). "Evidence against the spermatophore as paternal investment in checkerspot butterflies (Euphydras: Nymphalidae)". American Midland Naturalist. 116 (1): 1–6. doi:10.2307/2425932.  ^ K. Vahed (1998), "The function of nuptial feeding in insects: review of empirical studies" (PDF), Biological Reviews, 73: 43–78, doi:10.1111/j.1469-185X.1997.tb00025.x  ^ Svärd, L. (1985). "Paternal investment in a monandrous butterfly, Pararge aegeria". Oikos. 45 (1): 66–70. doi:10.2307/3565223.  ^ Iyengar, Vikram K.; Thomas Eisner (1999). "Female choice increases offspring fitness in an arctiid moth (Utetheisa ornatrix)". Proceedings of the National Academy of Sciences USA. 96 (26): 15013–15016. doi:10.1073/pnas.96.26.15013.  ^ Beck, Jan; Mühlenberg, Eva; Fiedler, Konrad (1999-04-01). "Mud-puddling behavior in tropical butterflies: in search of proteins or minerals?". Oecologia. 119 (1): 140–148. doi:10.1007/s004420050770. ISSN 0029-8549.  ^ Wells, Kentwood D. (2007). "The Natural History of Amphibian Reproduction". The Ecology & Behavior of Amphibians. Chicago: University of Chicago Press. pp. 451–515. ISBN 9780226893334.  Retrieved from "" Categories: Animal male reproductive systemSex organsHidden categories: All articles with unsourced statementsArticles with unsourced statements from November 2014

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Spermatophore - Photos and All Basic Informations

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