Could Medauroidea extradentata (Brunner von Wattenwyl 1907) survive in Provence (France)?

Several cases of accidental introduction of insects far away from their biotope have already been reported. Could Medauroidea extradentata, a stick insect originally from the district of Annam, Viet-nam, survive in Provence (France)? To answer this question, two sets of experiments were performed. I...

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Veröffentlicht in:Phasmid Studies 2019, Vol.20, p.4-14
Hauptverfasser: Olive, Gabriel, Olive, Gilles
Format: Artikel
Sprache:eng
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Zusammenfassung:Several cases of accidental introduction of insects far away from their biotope have already been reported. Could Medauroidea extradentata, a stick insect originally from the district of Annam, Viet-nam, survive in Provence (France)? To answer this question, two sets of experiments were performed. In the first one, specimens were put together with five plants growing only in the Mediterranean areas (bear's breeches (Acanthus mollis), almond tree (Prunus dulcis), fig blanche d' Argenteuil variety (Ficus carica), fig violette de Solliès variety (Ficus carica), olive (Olea europaea), Aleppo pine (Pinus halepensis)) to investigate their adaptability to these diets. In the second set, the egg survival rate when exposed to moderate cold was investigated. In view of the results, M. extradentata could survive in Provence, since it was possible to breed specimens on almond trees and on the two fig trees, while half of the eggs have survived the cold.
ISSN:0966-0011