A new species of Heremites Gray, 1845 (Squamata, Scincidae) from the transboundary Hindu Kush foothills.

Authors

Daniel Jablonski, Sylvia Hofmann, Muhammad Idrees, Muazzam Ali Khan, Qaisar Jamal, Wolfgang Böhme, Rafaqat Masroor

Published in

ZooKeys. Volume 1291. Pages 111-136. Epub Sep 04, 2026.

Abstract

The Western Palearctic genus Heremites Gray, 1845 (Scincidae) has a long history of taxonomic uncertainty, with particularly unstable placement of the disjunct Hindu Kush populations reported from eastern Afghanistan and northwestern Pakistan. Herein this eastern population is reassessed using an integrative dataset combining broad mitochondrial screening, a six-locus phylogeny, and comparative morphology. Phylogenetic analyses recovered four main well-supported clades corresponding to H. auratus, the H. septemtaeniatus complex, the H. vittatus complex, and the Hindu Kush lineage. The Hindu Kush lineage is inferred to be deeply divergent and was recovered as sister to the clade comprising H. auratus and the H. septemtaeniatus complex, with an estimated split in the Late Miocene at approximately 10 Mya. This deep mitochondrial divergence is further supported by concordant structuring in the nuclear allele networks. Uncorrected p-distances further support its distinctiveness, with high mitochondrial divergence from western clades (15.2-15.8% in cytb; 17.0-21.0% in ND2) and comparatively lower but consistent nuclear differentiation (1.17-2.59% in MC1R and 2.5-3.3% in RAG1). Multivariate analyses of morphometric, meristic, and categorical data separate the Hindu Kush lineage from H. auratus and the H. septemtaeniatus complex, supporting the genetic data. We therefore describe this eastern lineage as a new species, currently known from two foothill localities along the southern margin of the Hindu Kush, and discuss its biogeographic significance and the need for a further genus-wide integrative revision.

PMID:
42732331
Bibliographic data and abstract were imported from PubMed on 13 Sep 2026.

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