Browsing by Author "Silva, Natacha Marques"
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- Morphological and ecological differences between two endemic species of Asianidia Zachvatkin (A. insulana and A. madeirensis) from Madeira: species boundaries and conservation statusPublication . Silva, Natacha Marques; Aguin-Pombo, Dora; Quartau, José AlbertoA . insulana (Lindberg, 1961) and A. madeirensis (China, 1938) are two endemic and closely related species of the A sianidia perspidllata complex present in Madeira. They are relatively easy to distinguish on the basis of the aedeagus shape, body size and colour pattern, yet nymph morphology, distribution, plant associations and habitats were poorly known. The present study is a general overview of the morphology and ecology o f this pair of species. New information on intra- and inter-specific variation, together with new distributional and ecological data are presented as a result of a thorough field-work from sea level up to the mountains and involving all main vegetation zones in the island. Moreover, their eventual origin through adaptive radiation by host-plant shift together with some conservation considerations are discussed.