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Ana F. Quijano-Ravell and co-workers recently published a new species ofCentruroides
Marx, 1890 (Buthidae) from western Michoacán State, México.
Quijano-Ravell, De Armas, Francke & Ponce-Saavedra, 2019
A new species of scorpion belonging to the genus Centruroides Marx, 1890 is described from the Coalcomán mountain range, western Michoacán State, Mexico. Its general aspect resembles Centruroides ruana Quijano-Ravell & Ponce Saavedra, 2016, and C. infamatus (C. L. Koch, 1844), but it is a smaller species having lower pectinal tooth counts; also, males of C. ruana have the pedipalp chelae slightly thicker, whereas C. infamatus has a subaculear tubercle nearer to the base of the aculeus. Another species with similar aspect is Centruroides ornatus Pocock, 1902; however, a preliminary molecular analysis of the mitochondrial gene mRNA 16S showed genetic divergence (measured as p-distance) near to 10% between these species, and lower differences between the new species with respect to C. infamatus (4.63%) and C. ruana (5.07%). The molecular evidence together with the morphological characters (integrative taxonomy) are sufficient for recognizing the Coalcomán population as a separate and valid species.
Quijano-Ravell AF, De Armas LF, Francke OF, Ponce-Saavedra J. A new species of the genus Centruroides Marx (Scorpiones, Buthidae) from western Michoacán State, México using molecular and morphological evidence.ZooKeys. 2019(859):31-48
. [Open Access]
Thanks to Oscar Francke for sending me their article!