A new species of parrot snake, Leptophis (Serpentes: Colubridae) from the Brazilian Cerrado.

IF 2.3 3区生物学 Q2 MULTIDISCIPLINARY SCIENCES PeerJ Pub Date : 2025-01-30 eCollection Date: 2025-01-01 DOI:10.7717/peerj.18528

Nelson R Albuquerque, Roullien H Martins, Priscila S Carvalho, Donald B Shepard, Diego J Santana

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Abstract

We describe a new species of Leptophis (parrot snake) from the Cerrado ecoregion of Brazil. The new species, L. mystacinus sp. nov., differs from all other congeners in the following unique character combination: two Spectrum Green (129) to Light Parrot Green (133) dorsolateral stripes separated by a Buff (5) vertebral stripe, usually continuous onto the tail; loreal scale absent; postocular stripe Jet Black (300), wide and long (up 11 scales long onto nuchal region); maxillary teeth 21-25; ventrals 158-173; subcaudals 141-164; black spots on head absent; supracephalic plates of head not edged with black pigment; adult color pattern lacking dark oblique bands; keels absent on first dorsal scale rows; hemipenis unilobed, noncapitate, with undivided sulcus spermaticus, and first row of hemipenial body with four spines. Phylogenetic analysis of 16S mtDNA sequences indicate the new species is the sister taxon of L. dibernardoi, a species occurring in the neighboring Caatinga ecoregion.

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来源期刊

PeerJ MULTIDISCIPLINARY SCIENCES-

CiteScore

4.70

自引率

3.70%

发文量

1665

审稿时长

10 weeks

期刊介绍： PeerJ is an open access peer-reviewed scientific journal covering research in the biological and medical sciences. At PeerJ, authors take out a lifetime publication plan (for as little as $99) which allows them to publish articles in the journal for free, forever. PeerJ has 5 Nobel Prize Winners on the Board; they have won several industry and media awards; and they are widely recognized as being one of the most interesting recent developments in academic publishing.