Pantherophis slowinskii (BURBRINK, 2002)
Can you confirm these amateur observations of Pantherophis slowinskii?
|Higher Taxa||Colubridae, Colubrinae, Lampropeltini, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Slowinski ’s Cornsnake|
|Synonym||Elaphe slowinskii BURBRINK 2002|
Pantherophis slowinskii — JIANG et al. 2007
Pantherophis slowinskii — CROTHER et al. 2012
Pantherophis slowinskii — WALLACH et al. 2014: 530
|Distribution||USA (Louisiana, E Texas)|
Type locality: Longleaf Pine Highway, 0.5 miles west of Hwy 119, Natchitoches Parish, Louisiana, USA
|Types||Holotype: LSUM 55922|
|Diagnosis||Description: Elaphe slowinskii is very similar to E. guttata in body shape and head markings, but is distinguished from the nearby southern E. guttata by lacking the brighter yellow and red dorsal color patterns (Vaughan et al., 1996). They generally have a grayish, brown, or tan ground color with dark red, maroon, or brownish blotches. In some specimens, the dark brown ground color may obscure the dorsal color pattern. The belly pattern may be checkered, but often displays smaller and more evenly paired rows of ventral blotches with some degree of peppering across the cream ventral ground color. The black margin surrounding the dorsal blotches at midbody tends to occupy only 25–50% of each scale in E. slowinskii, but usually occupies an entire scale in E. guttata. Some specimens of E. slowinskii appear similar to E. emoryi. However, most E. emoryi tend to be gray|
with dark gray or olive colored blotches and often have more sparsely patterned bellies than E. slowinskii (Vaughan et al., 1996).
The number of combined dorsal body and tail blotches in E. slowinskii (mean=48, range=42–56, n = 17) are greater than that of E. guttata (mean=38, range=34–47, n = 18) and less than that of E. emoryi (mean=58, range=48–65, n = 19). The width of dorsal blotches at midbody,measured in number of scales, in E. slowinskii (mean=13, range=10.5–15, and n = 17) is less than E. guttata (mean=16.0, range=13–19, and n = 18) and greater than E. emoryi (mean=12, range=9–15, and n = 19). The length of dorsal blotches at midbody, measured in number of scales, in E. slowinskii (mean=4, range=3–5, and n = 17) is less than E. guttata (mean=6, range=5–7, and n = 18) and greater than E. emoryi (mean=4, range=2.5–5.5, and n = 19).
|Comment||Habitat: partly arboreal (Harrington et al. 2018).|
|Etymology||Named after Joseph Bruno Slowinski (1963-2001), American herpetologist, who died from snakebite at age 38. For an obituary see Donnelly & Crother 2003. For more biographical details see James (2008).|
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