2011
DOI: 10.19182/bft2011.307.a20482
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Les Sphingidae, probables pollinisateurs des baobabs malgaches

Abstract: Des comparaisons phénologiques et morphologiques des fleurs des six espèces de baobabs, Adansonia spp., endémiques de Madagascar et une étude des insectes visiteurs de ces fleurs ont été menées in situ afin d'identifier les pollinisateurs possibles de ces arbres. Les baobabs malgaches sont regroupés en deux sections en fonction de la longueur de l'androcée (tube pollinique plus filet des étamines)e: les Longitubae, A. za, A. rubrostipa, A. madagascariensis et A. perrieri, dont l'androcée varie de 110 à 277 mm … Show more

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Cited by 12 publications
(6 citation statements)
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“…These structures have been found in the scent of plants pollinated by night moths, particularly Sphingidae (Kaiser, 1993;Knudsen and Tollsten, 1993;Levin et al, 2001). Our results support the observations of Baum (1995aBaum ( , 1995b and Ryckewaert et al (2011) that Longitubae are primarily pollinated by hawk moths, in particular by Agrius convolvuli, Coelonia solani and Xanthopan morganii praedicta.…”
Section: Fragrance Chemistry and Pollinator Affinitiessupporting
confidence: 89%
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“…These structures have been found in the scent of plants pollinated by night moths, particularly Sphingidae (Kaiser, 1993;Knudsen and Tollsten, 1993;Levin et al, 2001). Our results support the observations of Baum (1995aBaum ( , 1995b and Ryckewaert et al (2011) that Longitubae are primarily pollinated by hawk moths, in particular by Agrius convolvuli, Coelonia solani and Xanthopan morganii praedicta.…”
Section: Fragrance Chemistry and Pollinator Affinitiessupporting
confidence: 89%
“…Moreover, the flowering season of these species is partially synchronous (between January and February for A. za and A. rubrostipa and January and March for A. rubrostipa and A. madagascariensis) (Baum, 1995a(Baum, , 1995bRyckwaert et al, 2011;Leong Pock Tsy et al, 2013). The present work shows that these species emit a similar floral fragrance which attracts the same pollinators including Agrius convolvuli and Coelonia solani (Ryckewaert et al, 2011). Introgression has not been reported in Brevitubae, probably because the sites occupied by the two species in this section are separated from each other by a distance of several hundred kilometres (Fig.…”
Section: Relationship Between the Chemical Composition Of Floral Scensupporting
confidence: 57%
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“…Furthermore, 24.1% of the authors used callipers, rulers and millimetre scales, while these devices can measure only straight objects. Unless mounted on a slide, proboscis is not straight even if uncoiled, since it has a tendency to remain curved, resulting in an underestimate (see, e.g., Photo 3 of Ryckewaert et al (2011)).…”
Section: Discussionmentioning
confidence: 99%