Heterodon (Latreille, 1801)




Heterodon nasicus

(Baird & Girard, 1852)

H. nasicus

Heterodon platirhinos
 

(Latreille, 1801)

H. platirhinos

Bild 2 | mel. Exemplar | Anton Sorokin

Heterodon simus

(Günther, 1858)

H. simus
Kevin Messenger


Literature

[1]Scott A. Weinstein, Daniel E. Keyler, Local envenoming by the Western hognose snake (Heterodon nasicus): A case report and review of medically significant Heterodon bites, Toxicon, Volume 54, Issue 3, 1 September 2009, Pages 354-360, ISSN 0041-0101, DOI: 10.1016/j.toxicon.2009.04.015.

Minton, S. A.  1996.  Bites by non-native venomous snakes in the United States.  Wilderness and Environmental Medicine 7(4):297-303.  Reports of 164 consultations 1977 - 1995 one case each for Boiga, Dispholidus, Leioheterodon, Rhabdophis; Rhabdophis case "coagulopathy...systemic envenomation."

Rossi, J. V. and R. Rossi.  1995.  Snakes of the United States and Canada, Vol. 2.  Western Area.  Krieger Publishing Company, Malabar, FL, 325 pp.  Mention "venom" effects - Coniophanes, Heterodon, Hypsiglena, Leptodeira, Oxybelis, Tantilla, Thamnophis, Trimorphodon.

Grenard, S.  1994.  Snakebite: are "non-poisonous" colubrids really harmless?  Reptile and Amphibian Magazine (September-October):51-63.  Provides review history, venom apparatus, envenomation, etc., emphasis Heterodon; discusses possibility some bite effects due to allergic or hypersensitivity reactions.




Anatomy


Fangs

Bite

Bite

Bite

The genus takes you out of feints, but almost never bites. Beware of smell after feeding!

[1]  edema, ecchymoses, lymphadenopathy, cutaneous signs suggestive of mild cellulitis and blister formation. There were no systemic effects 

Venom


point of interest

Fang
Bill Love / Blue Chameleon Ventures

Fang
Kevin Messenger

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