Talk:Brugmansia suaveolens

Latest comment: 1 year ago by KATHERINE WAGNER-REISS in topic Disagreement with a Paragraph Under Ecology Header
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Disagreement with a Paragraph Under Ecology Header

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"It has been shown that these can sequester the plant's tropane alkaloids and store them through the pupal stage on to the adult butterfly, where they are then used as a defense mechanism, making themselves less palatable to vertebrate predators." I read the original source article, not just the source book given in the Wiki article ( reference 9), and it does not say that the tropane alkaloids are used as a defense mechansim by adult butterflies; it says that they are used as a defense mechanism by the larvae. Yes, the alkaloids are passed to the pupae and the adults, but in smaller and smaller quantities. I would summarize the findings as : "It has been shown that these larvae can sequester the plantʻs tropane alkaloids, where they are used as a defense mechanism, making the caterpillars less palatable to vertebrate predators." Here is the link to the source article:https://www.researchgate.net/profile/Andre-Freitas-18/publication/248023926_Tropane_and_pyrrolizidine_alkaloids_in_the_ithomiines_Placidula_euryanassa_and_Miraleria_cymothoe_Lepidoptera_Nymphalidae/links/558355b408ae4738295b7587/Tropane-and-pyrrolizidine-alkaloids-in-the-ithomiines-Placidula-euryanassa-and-Miraleria-cymothoe-Lepidoptera-Nymphalidae.pdf KATHERINE WAGNER-REISS (talk) 12:49, 2 June 2023 (UTC)Reply