Rena dugesii (BOCOURT, 1881)

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Higher Taxa	Leptotyphlopidae, Epictinae, Epictini, Typhlopoidea, Serpentes, Squamata (snakes)
Subspecies
Common Names	E: Duges’ Threadsnake G: Duges-Schlankblindschlange S: Culebrilla Lombriz de Dugès
Synonym	Catodon dugesis BOCOURT 1881: 81 Stenostoma tenuiculum GARMAN 1884: 5 (fide WALLACH et al. 2014) Rena tenuicula — COPE 1887: 91 Leptotyphlops humilis tenuiculus — KLAUBER 1940: 538 Leptotyphlops humilis dugesi — ZWEIFEL 1959 Leptotyphlops humilis dugesii — HARDY 1969: 154 Leptotyphlops humilis dugesi — HAHN 1979 Leptotyphlops humilis tenuiculus — HAHN 1979 Leptotyphlops humilis dugesi — WEBB 1984 Leptotyphlops humilis dugesii — PETERSON 1995 Leptotyphlops dugesii — LEMOS-ESPINAL et al. 2004 Rena dugesii — WALLACH et al. 2014: 631 Rena humilis dugesii — HEIMES 2016: 30 Rena dugesii — MCCRANIE & HEDGES 2016 Rena dugesii — LEMOS-ESPINAL et al. 2020 Rena dugesii — FLORES-VILLELA et al. 2022
Distribution	Mexico (Sinaloa, Colima) Type locality: Colima, Mexico. tenuiculus: see comment.
Reproduction	oviparous (manual imputation, fide Zimin et al. 2022)
Types	Holotype: MNHN-RA 1651; other specimens: LACM, UF, UMMZ, AMNH Holotype: MCZ 4519 [tenuiculus]
Diagnosis	Diagnosis: Differs from other races in having a combination of 12 scale rows around the tail, 7 to 9 pigmented dorsalmost scale rows, less than 257 dorsals (231-257, x = 242) and more than 15 (x =17) subcaudals. (Hahn 1979)
Comment	Synonymy: Listed as synonym or subspecies of Rena humilis by Heimes 2016: 30. R. tenuicula has been considered a synonym of L. dugesii but Flores-Villela et al. 2022 consider it as a synonym of R. dulcis. Distribution: Reported from but not in Jalisco fide CRUZ-SÁENZ et al. 2017. Not in Sonora fide Lemos-Espinal et al. 2019.
Etymology	Named in honor of Alfred Dugès, the father of Mexican herpetology.
References	Cope, E.D. 1887. Catalogue of batrachians and reptiles of Central America and México. Bull. US Natl. Mus. 32: 7-98 - get paper here Garman, Samuel 1884. The reptiles and batrachians of North America. Mem. Mus. comp. Zool, Cambridge (Massachusetts), 8 (3): xxxiv + 185 pp. [1883] [CNAH reprint 10] - get paper here Hahn D E 1979. Leptotyphlops humilis (Baird and Girard). Western blind snake. Catalogue of American Amphibians and Reptiles (232): 1-4 - get paper here Hardy, L.M., & McDiarmid, R.W. 1969. The amphibians and reptiles of Sinaloa, Mexico. Univ. Kansas Publ. Mus. Nat. Hist. 18 (3): 39-252. - get paper here Klauber, Laurence M. 1940. The worm snakes of the genus Leptotyphlops in the United States and Northern Mexico. Transactions of the San Diego Society of Natural History 9 (18): 87-162 - get paper here Lemos-Espinal JA, Smith GR 2020. A checklist of the amphibians and reptiles of Sinaloa, Mexico with a conservation status summary and comparisons with neighboring states. ZooKeys 931: 85-114 - get paper here Lemos-Espinal JA, Smith GR, Pierce LJS, Painter CW 2020. The amphibians and reptiles of Colima, Mexico, with a summary of their conservation status. ZooKeys 927: 99-125 - get paper here Peterson, H. William;Smith, Hobart M.;Chizsar, David 1995. Some noteworthy amphibians and reptiles from the region of Chapala, Jalisco, Mexico. Bull. Chicago Herp. Soc. 30 (5): 90-91 - get paper here Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp. Webb, R.G. 1984. Herpetogeography in the Mazatlán-Durango Region of the Sierra Madre Occidental, Mexico. Vetrebrate Ecology and Systematics - A ribute to Henry S. Fitch; Museum of Natural History, University of Kansas, Lawrence, pp. 217-241 Zimin, A., Zimin, S. V., Shine, R., Avila, L., Bauer, A., Böhm, M., Brown, R., Barki, G., de Oliveira Caetano, G. H., Castro Herrera, F., Chapple, D. G., Chirio, L., Colli, G. R., Doan, T. M., Glaw, F., Grismer, L. L., Itescu, Y., Kraus, F., LeBreton 2022. A global analysis of viviparity in squamates highlights its prevalence in cold climates. Global Ecology and Biogeography, 00, 1–16 - get paper here Zweifel, Richard G. 1959. Additions to the herpetofauna of Nayarit, Mexico. American Museum Novitates (1953): 1-13 - get paper here
External links	https://www.facebook.com/groups/stshc/posts/517273307163939/ Google images

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