• Journal of Veterinary Clinics
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• v.26 no.4
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• pp.379-385
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• 2009

Tetragomphius procyonis Baylis & Daubney, 1923 were obtained from the pancreatic duct of a naturally infected Eurasian badger, Meles meles, which was submitted to animal hospital for parasitic diagnosis from Gyeryongsan National Park in Korea. The hookworms were examined by light and scanning electron microscope. The length of body measured male 15.0-18.8 mm, female 21.5-25.5 mm, respectively. In both sex, the ventral cutting plates of oral margin are much reduced and elongated latero-dorsally, the dorsal cutting plate is located long follow doral margin of the oral opening. The buccal capsule is cup-shaped and thicken with four cusped tooth at its base. The copulatory bursa has elongated ventral lobes and their large rays are parallel, while the dorsal lobe with its supporting rays is slightly split in two. The slender spicules are filariform and very long (8.7-9.3 mm), and their tips are fused together. The hookworm has following characters: dorsal cone on the both sex, gubernaculum on the male and terminal spine on the female tail absent; vulva is opening in the juction of the fourths and fifths of the body; dorsal ray with two long stems. The eggs from the uterus are 16 cell stages and those from the rectal feces, 32 cell stages. The size of eggs is 77.48-83.45 ${\times}$ 50.75-63.38 ${\mu}m$.