Sechelleptus arborivagus Sp. Nov., a new arboreal spirostreptid millipede (diplopoda, spirostreptidae) endemic to Mayotte island (comoros archipelago), Indian Ocean
Comoros archipelagos; New species; Phylogeny; Taxonomy; Ecology, Evolution, Behavior and Systematics
Abstract :
[en] A new millipede species of the genus Sechelleptus Mauriès, 1980 is described and illustrated from Mayotte Island, Indian Ocean. This new species, S. arborivagus sp. nov., found on trees, looks particularly similar to the sympatric S. variabilis VandenSpiegel & Golovatch, 2007, but is much larger and has a very different ecological behavior. Phylogenetic analyses based on a concatenated dataset of the COI and 16S rRNA genes and including nine species of Spirostreptidae (including Sechelleptus, Doratogonus Attems, 1914, Bicoxidens Attems, 1928 and Spirostreptus Brandt, 1833), strongly support the monophyly of Sechelleptus. Despite the similarity of their genitalia, the molecular analyses also reveal a clear-cut genetic divergence between S. arborivagus sp. nov. and S. variabilis (22.55% for COI and 6.63% for 16SrRNA) and further suggest the presence of a higher diversity within the genus Sechelleptus on Mayotte.
Disciplines :
Zoology
Author, co-author :
Vandenspiegel, Didier; Biological Collection and Data Management Unit, Royal Museum for Central Africa, Tervuren, Belgium
Henrard, Arnaud; Biological Collection and Data Management Unit, Royal Museum for Central Africa, Tervuren, Belgium
Mathys, Aurore ; Université de Liège - ULiège > Unités de recherche interfacultaires > Art, Archéologie et Patrimoine (AAP) ; Biological Collection and Data Management Unit, Royal Museum for Central Africa, Tervuren, Belgium ; Royal Belgian Institute of Natural Sciences, Brussels, Belgium
Language :
English
Title :
Sechelleptus arborivagus Sp. Nov., a new arboreal spirostreptid millipede (diplopoda, spirostreptidae) endemic to Mayotte island (comoros archipelago), Indian Ocean
This work was supported by the ‘Ministère de la transition écologique et solidaire - France’. Present sampling was performed in the framework of the program “Acquisition de connaissances sur les myriapodes de Mayotte” (convention N° 2019-003/DEAL/SEPR) organized by the DEAL at Mayotte. We are grateful to Antoine Rouillé for his help in the organization of the sampling and Miguel Lamalfa-Diaz who guided us on the Mt. Tchaourembo. We are grateful to Alain Reygel for the drawings and Dr Sergei Golovatch for his kind advice on an early draft.
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