Tapeworm Segment (Proglottid)
Scientific Name: Dipylidium caninum (most common species found indoors via pets)
Order & Family: Cyclophyllidea / Dipylidiidae
Size: Typically 3-5mm long, resembling a grain of rice or sesame seed
Natural Habitat
Intestinal tract of dogs and cats (adults); environment (bedding, furniture, carpets) where dried segments are shed
Diet & Feeding
Adults absorb nutrients from the host's intestine; segments do not feed but contain egg packets
Behavior Patterns
The detached segments (proglottids) crawl out of the host's anus and can move about on bedding or fur before drying out into a hard, golden, seed-like appearance.
Risks & Benefits
Risk: Indicates a parasitic infection in household pets; humans (especially children) can be infected if a flea containing the tapeworm larvae is accidentally swallowed. Benefit: None.
Identified on: 2/12/2026