Pinworm
Scientific Name: Enterobius vermicularis
Order & Family: Order: Rhabditida, Family: Oxyuridae
Size: Females: 8–13 mm; Males: 2–5 mm
Natural Habitat
The human large intestine; eggs are often found in the perianal area and environment/households.
Diet & Feeding
Intestinal contents and cellular debris within the human host.
Behavior Patterns
Nocturnal migration where gravid females move to the anus to deposit eggs, causing itching.
Risks & Benefits
Causes enterobiasis (itching and sleep disturbance); highly contagious through the fecal-oral route but generally not dangerous.
Identified on: 1/1/2026