Monophyly and pollination mechanisms in Angraecum arachnites (Orchidaceae) in a guild of long-tongued hawk-moths (Sphingidae) in Madagascar.
The pollinators of the Malagasy star orchids Angraecum sesquipedale, A.
Monophily and pollination mechanisms in Angraecum
A new species of raspy cricket is caught on film pollinating the Reunion island orchid Angraecum
Recently, it was demonstrated that an undescribed orthopteran species of the family hryllacrididae functions as an effective, and probably exclusive, pollinator of the orchid Angraecum
cadetii on the islands of Mauritius and Reunion (Micheneau et al.
Perhaps the most remarkable of all Madagascar's orchids is the white-flowered Angraecum
sesquipedale which has a spur 14 in (35 cm) long.
6), while solid pollinaria of the "Angraecum
type" lack a bending mechanism, rendering them most prone to geitonogamy (Fig.
300 mm) of the orchid Angraecum
sesquipedale in Madagascar, Darwin (1862) predicted the existence of a very long-tongued hawkmoth on this island.
 Ancistrochilus rothschildianus  Angraecopsis amaniensis  Angraecum
aporoides  A.
The vegetation is threatened by the deliberate fires set in the surrounding bush and by the uncontrolled logging of tree species such as Canarium madagascariense (Burseraceae), and several species of Dalbergia (Leguminosae), as well as by the collection of ornamental plants, mainly epiphytic orchids (Bulbophyllum, Angraecum
, and Aeranthes) and palms and tree ferns from the understory, all of them for sale.