Hymenolepis diminuta (Rat Tapeworm) in photos

Symptoms and syndromes in photos

Main » Infectious diseases » Infections Acquired through the Gastro-intestinal Tract » Hymenolepis diminuta (Rat Tapeworm)

Cysticercoid of H. diminuta in arthropod.

Photo 1. Cysticercoid of H. diminuta in arthropod. This is the common cestode of rodents. Adults measure 20 to 60cm in length; their eggs resemble those of H. nana (see 305) but lack the polar filaments. An intermediate insect host is essential in this life cycle and a wide variety of coprophagic arthropods serve as intermediate hosts. Occasionally man is infected by accidentally swallowing infected arthropods, eg rat fleas, or larvae of grain moths and beetles. (x 90)

Tribolium confusum.

Photo 2. Tribolium confusum. These grain pests are typical intermediate hosts of H. diminuta. (x9)


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