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Holcosus leptophrys (COPE, 1893)

IUCN Red List - Holcosus leptophrys - Least Concern, LC
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Higher TaxaTeiidae, Teiinae, Gymnophthalmoidea, Sauria, Squamata (lizards)
Subspecies 
Common NamesE: Delicate Ameiva 
SynonymAmiva leptophrys COPE 1893: 341
Ameiva ruthveni BARBOUR & NOBLE 1915
Ameiva leptophrys — DUNN 1940: 114
Ameiva leptophrys — NEMURAS 1967
Ameiva leptophrys — PETERS et al. 1970: 23
Ameiva leptophrys — ECHTERNACHT 1971: 20
Ameiva leptophrys — KÖHLER 2000: 97
Holcosus leptophrys — HARVEY et al. 2012 
DistributionPanama, Costa Rica
Colombia [Castro,F. (pers. comm.)]

Type locality: Buenos Aires (or Ayres), Costa Rica  
Reproductionoviparous 
TypesHolotype: AMNH 9560 (also incorrectly given as 9506)
Holotype: MCZ 10927 [ruthveni] 
DiagnosisDiagnosis: Ameiva leptophrys can be distinguished from its Middle American congeners by the following combination of characters: Separation of parietal and frontoparietal scales from the interparietal by one or more rows of small, irregular scales; abrupt reduction in size of small scales immediately posterior to the enlarged, median gular scales; large number of femoral pores (mean number for males, 49.1; females, 44.7); a transverse row of abruptly enlarged mesoptychial scales; eight longitudinal rows of ventral scutes; color pattern emphasizing longitudinal stripes rather than spotting, but lacking a light vertebral stripe (Echternacht 1971).


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CommentSynonymy that of PETERS & DONOSO-BARROS 1970. 
EtymologyNamed after Greek leptos (λεπτός), peeled, husked; devoid of its skin (also, thin, fine, delicate) + Greek ophrys (οφρύς), eyebrow, supercilium. [“...Three supraorbitals; first and second longer than wide, the third long as wide...”]. (from Esteban Lavilla, pers. comm., May 2024) 
References
  • Barbour, T. and G. K. Noble. 1915. A revision of the lizards of the genus Ameiva. Bull. Mus. Comp. Zool. Harvard 59: 417-479. - get paper here
  • Barrio-Amorós, Cesar Luis, Michelle Quiroz, Cristian Porras-Ramírez, Rene Villanueva-Maldonado, Alejandro Estrada-García, Abel Batista 2023. Amphibians and reptiles encountered during an expedition to Panama. Reptiles & Amphibians 30 (1): e18359 - get paper here
  • Carvajal-Cogollo, J.E.; L.E. Rojas-Murcia. & G. Cárdenas-Arévalo 2020. Reptiles del Caribe colombiano/ Reptiles of the Colombian Caribbean. Tunja: Editorial UPTC, 268 pp. - get paper here
  • Cooper Jr., W.E. 2005. Duration of movement as a lizard foraging movement variable. Herpetologica 61 (4): 363-372 - get paper here
  • Cope, E.D. 1893. Second addition to the knowledge of the Batrachia and Reptilia of Costa Rica. Proc. Amer. Philos. Soc. 31: 333-347 - get paper here
  • Dunn,E.R. 1940. New and noteworthy herpetological material from Panamá. Proc. Acad. Nat. Sci. Philadelphia. 92: 105-122. - get paper here
  • Echternacht, A. C. 1971. Middle American lizards of the genus Ameiva. Misc. Publ. Univ. Kans. Mus. Nat. Hist. 55: 1-86 - get paper here
  • Echternacht, A. C. 1974. Taxonomic notes on and descriptions of two lizards of the genus Ameiva. Herpetologica 30: 244-48. - get paper here
  • Flores, Eric Enrique, Victor Bravo and Anel Rios. 2014. Geographic Distribution: Holcosus leptophrys (delicate ameiva). Herpetological Review 45 (2): 282-283 - get paper here
  • Fuentes, Rogemif; Aschcroft, Jesse; Erick Barría, Helio Quintero-Arrieta, Alexis Baules, Abel Batista, Eduardo Zambrano, Marcos Ponce 2023. Herpetological diversity in forests of Portobelo National Park, Colón Biological Corridor, Panama. Reptiles & Amphibians 30 (1): e18434 - get paper here
  • HARVEY, MICHAEL B.; GABRIEL N. UGUETO & RONALD L. GUTBERLET, Jr. 2012. Review of Teiid Morphology with a Revised Taxonomy and Phylogeny of the Teiidae (Lepidosauria: Squamata). Zootaxa 3459: 1–156 - get paper here
  • Köhler, G. 2000. Reptilien und Amphibien Mittelamerikas, Bd 1: Krokodile, Schildkröten, Echsen. Herpeton Verlag, Offenbach, 158 pp.
  • Köhler, G. 2008. Reptiles of Central America. 2nd Ed. Herpeton-Verlag, 400 pp.
  • Nemuras, K. 1967. Notes on the Herpetology of Panama: Part 4. Bull. Maryland Herp. Soc. 3 (3): 63-71 - get paper here
  • Ortleb, Edward; Heatwole, Harold 1965. Comments on some Panamanian lizards with a key to the species from Barro Colorado Island, C.Z. and vicinity. Carib. J. Sci. 5 (3-4):141-147. - get paper here
  • Sasa, M., Arias, E., & Chaves, G. 2025. Annotated list of amphibians and reptiles of Costa Rica: The role of the Museum of Zoology in cataloging the country’s herpetological diversity. Revista de Biología Tropical, 73(S2): e64536-e64536 - get paper here
  • Savage, J.M. 2002. The Amphibians and Reptiles of Costa Rica: A Herpetofauna Between Two Continents, Between Two Seas. University of Chicago Press, 934 pp. [review in Copeia 2003 (1): 205]
  • Taylor, E. H. 1956. A review of the lizards of Costa Rica. Univ. Kansas Sci. Bull. 38 (part 1): 3-322 - get paper here
 
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