Cooperia ventricosa (Rudolphi, 1809), 2024

Cooperia ventricosa (Rudolphi, 1809) , comb. nov.

Synonym: Strongylus ventricosus Rudolphi, 1809 .

Type host: red deer Cervus elaphus Linnaeus, 1758 ( Artiodactyla : Cervidae ).

Other hosts: European fallow deer Dama dama (Linnaeus, 1758) , sika deer Cervus nippon Temninck, 1838 .

Site of infection: small intestine.

Type locality: vicinity of Greifswald, Germany (40).

Documented distribution: various regions of Europe (38, 46), New Zealand (42), northern regions of the Czech Republic—new geographical record (this paper).

Type material: Museum für Naturkunde Berlin, collection “Vermes,” catalog Entozoa, E.258, 6 syntype fragments in deteriorated condition, mounted as 5 glycerol-paraffin slides on Cobb aluminum frames by B. Neuhaus on 16.XI.2021, E.258- 1 female, E.258-3 female, E.258-5 male, sex of E.252-2 , and E.252-4 unknown.

Morphological descriptions: (43), [(22)—Figure 142], [(15)— Figure 164], this paper

Remarks: Amember of the genus Cooperia that shares all the morphological characteristics that define the genus C. ventricosa , differs from the most similar species C. pectinata based on the following features: the shape of the male spicules and that of the dorsal ray of the male genital bursa.