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Phys.org. « A new and unusual wasp species has been discovered during an expedition to the Indonesian island of Sulawesi. »
« It was independently also found in the insect collections of the Museum für Naturkunde in Berlin, where it was awaiting discovery since the 1930s, when it had been collected on Sulawesi. The new species is pitch-black, has an enormous body size, and its males have long, sickle-shaped jaws. The findings have now been described in the open access journal ZooKeys. »
[L'étude] Megalara garuda, a new genus and species of larrine wasps from Indonesia (Larrinae, Crabronidae, Hymenoptera)
http://zookeys.pensoft.net/article_preview.php?id=2649
[Image] This is a a close view of the enormous jaws of the male wasps. Credit: Dr. Lynn Kimsey, Dr. Michael Ohl
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SUR LE MÊME SUJET (en français) :
→ Une guêpe de belle taille - Sciences et Avenir
http://www.sciencesetavenir.fr/nature-environnement/20120323.OBS4445/une-guepe-de-belle-taille.html
Chez Megalara garuda, une guêpe fouisseuse originaire d'Indonésie, le mâle est plus grand que la femelle. Il est probable que ses énormes mandibules lui servent à maintenir la femelle pendant l'accouplement mais il est possible aussi qu'il les utilise pour se défendre.