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Higher TaxaColubridae (Dipsadinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) 
Common NamesE: Eduardo’s forest snake.
S: Hojarasquera de Eduardo 
DistributionMexico (Oaxaca)

Type locality: Mexico, Oaxaca, municipality of Santa Catarina Juquila, El Obispo, 1,320 m (UTM 681141.99, 1789988.05 [= 16.183573, -97.305614, datum WGS 84]  
TypesHolotype. CH-CIB 5457 (given as CIB = Centro de Investigaciones Biológicas at the Universidad Autónoma del Estado de Hidalgo, Mexico, original field number VMS-2029), a subadult male, collected by Eduardo Mata-Silva on 6 June 2018 at 1800 hrs (Fig. 1). 
DiagnosisDiagnosis. A snake of the genus Rhadinaea that can be distinguished from all con-
geners by the following combination of morphological features: supralabials 7, with 3rd and 4th entering orbit; 120 ventrals; 71 subcaudals; one subpreocular (lower preocular); 17 dorsal scales throughout body; a head pattern lacking postorbital pale markings but having a pale line extending from the lower rear quadrant of the eye to the ultimate supralabial and slightly beyond, and a midbody dorsal color pattern of a lateral series of black dots in the lower apex of the scales of row V and a middorsal line confined to the middorsal scale row consisting of a series of disjunct spots on the posterior apex of otherwise dark brown scales. 
CommentHabitat: Premontane Wet Forest

Conservation: probably Critically Endangered, according to IUCN criteria B1ab(iii)+2ab(iii). 
EtymologyThis species is named in honor of Eduardo Mata-Silva, collector of the holotype. Eduardo is the younger brother of the senior author of the paper, is a resident of Río Grande, Oaxaca, and was a highly valued member of the field crew working in Oaxaca. He also outshined the rest of the crew when it came to finding snakes, as evidenced by his discovery of the holotype of the snake. 
  • Mata-Silva V, Rocha A, Ramírez-Bautista A, Berriozabal-Islas C, Wilson LD 2019. A new species of forest snake of the genus Rhadinaea from Tropical Montane Rainforest in the Sierra Madre del Sur of Oaxaca, Mexico (Squamata, Dipsadidae). ZooKeys 813: 55-65 - get paper here
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