Associations
provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Animal / parasite / ectoparasite / blood sucker
Theromyzon tessulatum sucks the blood of nasal passage of Anatidae
Animal / parasite / ectoparasite / blood sucker
Theromyzon tessulatum sucks the blood of nasal passage of Cygnus olor
