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International audienceAbstractAustroplebeia Moure is an Australian stingless bee genus. The current descriptions for the species within this genus are inadequate for the identification of specimens in either the field or the laboratory. Here, using multiple diagnostic methodologies, we attempted to better delimit morphologically identified groups within Austroplebeia. First, morphological data, based on worker bee colour, size and pilosity, were analysed. Then, males collected from nests representing morphologically similar groups were dissected, and their genitalia were imaged using light microscopy and scanning electron microscopy. Next, data for the geometric morphometric analysis of worker wing venations were obtained. Finally, molecular analysis, using mitochondrial 16S ribosomal RNA (16S rDNA), was conducted on workers from representative nests for each group which displayed morphological similarities. Data deriving from the four different diagnostic approaches were compared, resulting in the separation of two groups, plus an unresolved species complex

Delimiting the species within the genus Austroplebeia, an Australian stingless bee, using multiple methodologies