THE CENTER FOR NORTH AMERICAN HERPETOLOGY


Reptilia    Squamata (part-snakes)    Colubridae  

Northern Mole Kingsnake
Lampropeltis rhombomaculata (Holbrook, 1840)
lam-proh-PEL-tis — ROM-boh-mak-yoo-LAH-tah

SSAR 9th Edition Comments:
There are no current SSAR comments for this taxon.

Range maps are based on curated specimens and provided gratis by CNAH.
(Created by Travis W. Taggart; Version: 2023.04.09.21.41.45)
Download GeoJSON polygon range file: - 0.68 MB

Taxonomic Etymology:
Named for its rhombus-shaped dorsal spots.
Lampropeltis — Derived from the Greek lamprós (λαμπρός, “shiny”) and péltē (πέλτη, “shield”). The name likely refers to the genus’ smooth, glossy scales, which resemble a polished shield.
rhombomaculata — A pattern-based morphology descriptor. It is a compound hybrid adjective formed from Greek rhómbos (“diamond-shaped figure”) and Latin maculata (feminine singular of maculatus, the perfect passive participle of maculō, “to stain, spot, or mark”). Literally, it translates to “diamond-spotted.” The name refers to the series of rhomboid light-brown spots along the dorsum, a key diagnostic trait distinguishing this species from congeners. The original description highlights this characteristic: “…superior surface chestnut-brown, with a vertebral series of rhomboid light brown spots…”

First instance(s) of published English names:
Kennicott's Chain Snake (Ophibolus calligaster: Jordan, David Starr. 1876. Manual of the Vertebrates of the Northern United States: Including the District East of the Mississippi River, and North of North Carolina and Tennessee, Exclusive of Marine Species. Jansen, McClurg, and Company, Chicago, Illinois.. 342pp.); Blotched King Snake (Ophibolus rhombomaculatus: Brown, Arthur, E. 1902. Report of the Board of Directors. Pages 5-22 in Thirtieth Annual Report of the Board of Directors of the Zoological Society of Philadelphia. Allen, Lane, and Scott, Philadelphia, Pennsylvania. pp.); Mole Snake (Lampropeltis rhombomaculata: Schmidt, Karl Peterson and D. D. Davis. 1941. Field Book of Snakes of the United States and Canada. C.P. Putnam and Sons, New York. 365pp.);

Taxon Links:

  
Catalog of American Amphibians and Reptiles
  
The Reptile Database
  
NatureServe
  
iNaturalist
  
GenBank
  
USGS - Nonindigenous Aquatic Species Database

Selected References:
1920 Blanchard, Frank N. A synopsis of the king snakes: Genus Lampropeltis Fitzinger. Occasional Papers of the Museum of Zoology, University of Michigan (87):1-7
1973 Blaney, Richard M.. Lampropeltis. Catalogue of American Amphibians and Reptiles (150):1-2
1977 Price, Robert M. Systematics of the colubrid snake Lampropeltis calligaster (Harlan). Thesis. Johns Hopkins University, Baltimore, Maryland. 98pp.
1979 Blaney, Richard M. Lampropeltis calligaster. Catalogue of American Amphibians and Reptiles (229):1-2
2017 McKelvy, Alexander and Frank T. Burbrink. Ecological divergence in the Yellow-bellied Kingsnake (Lampropeltis calligaster) at two North American biodiversity hotspots. Molecular Phylogenetics and Evolution 106(2017):61-72

THE CENTER FOR NORTH AMERICAN HERPETOLOGY — Accessed: Friday 05 December 2025 16:55 CT