''N. battus'' is most prominent within the UK, but is also present to a lesser extend in Norway, Sweden, the Netherlands, and Canada. In heavy infections this parasite can be severe, and if left untreated can lead to the death of the carrying host. It is also capable of causing parasitic [[Enteritis, Parasitic|catarrhal enteritis]]. | ''N. battus'' is most prominent within the UK, but is also present to a lesser extend in Norway, Sweden, the Netherlands, and Canada. In heavy infections this parasite can be severe, and if left untreated can lead to the death of the carrying host. It is also capable of causing parasitic [[Enteritis, Parasitic|catarrhal enteritis]]. |