Fig. 1From: The seal louse (Echinophthirius horridus) in the Dutch Wadden Sea: investigation of vector-borne pathogensUltrastructural illustration of Echinophthirius horridus adult and egg (nit) stages. (a) Ventral view of adult E. horridus; (b) two opened nits lacking opercula firmly glued to seal fur hair. Scale bars: (a) 500 μm, (h) 200 μmBack to article page