Skrjabinema ovis, Skrjabinema alata: Pinworms

General Description: Small nematodes, 3 to 8mm in length.

Life Cycle: Direct life cycle. Eggs contain larvae and are deposited by adult females on skin surrounding the anus. Prepatent period is about 25 days.

Location: Caecum.

Geographical Distribution: Worldwide.

Significance: Not harmful but may be mistaken for other important nematodes such as Oesophagostomum columbianum.

Effect on Host: None.

Diagnostic Information: Eggs containing larvae may be found in skin surrounding anus.

Control: None recommended.