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Twenty-six new species of Malagasy microhylid frogs – many are microendemics

The genus Stumpffia Boettger, 1881 was first described based on the species Stumpffia psologlossaa small frog from Nosy Be Island, Benavony, and Manongarivo on the adjacent mainland in north-western Madagascar. This appears to be a lowland species ranging as high as 700 m asl. It lives in the leaf-litter of both primary and degraded rainforest, and in coffee plantations. Reproduction uses non-feeding larval developing in terrestrial nests that are guarded by the male. By 2015 the microhylid genus contained 15 species.
In a new paper, Rakotoarison et al. (2017) revise the genus on the basis of a combination of molecular, bioacoustic, and morphological data and describe 26 new species that are all genetically divergent, almost all of them with high pairwise genetic divergences > 4% p-distance in a segment of the mitochondrial 16S rRNA gene and concordant differentiation in a segment of the nuclear Rag-1 gene. The majority of the new species can also be distinguished by the structure…

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