Batesian
adjective
Bates·ian ˈbāt-sē-ən 
: characterized by or being mimicry involving resemblance of an innocuous species to another that is protected from predators by repellent qualities (such as unpalatability)
a Batesian mimic
Word History
Etymology
Henry Walter Bates †1892 English naturalist
First Known Use
1895, in the meaning defined above