Herpetophobia [1] is a common specific phobia, which consists of fear or aversion to reptiles, commonly lizards and snakes, and similar vertebrates as amphibians. It is one of the most diffused [2] animal phobias, very similar and related to ophidiophobia, specific for snakes. This condition causes a slight to severe emotional reaction, as for example anxiety, panic attack or most commonly nausea.[3]
The Wiktionary entry for herpetophobia