The adult worm lives in the intestine of its host, normally rats but also sometimes dogs and humans. Hymenolepis diminuta passes through the required intermediate arthropod host as a juvenile. Only when the intermediate host is injested by the definitive host will H. diminuta mature. The intermediate arthropod host is normally a grain beetle, and injestion of the intermediate host into the definative host normally occurs in piles of grain, where both rats and beetles live.
Habitat Regions: temperate ; tropical
Terrestrial Biomes: desert or dune ; savanna or grassland ; chaparral ; forest ; rainforest ; scrub forest ; mountains
Other Habitat Features: urban ; suburban ; agricultural
- Pappas, P. SEP 2000. Allometric growth of the proglottids and strobila of the tapeworm, Hymenolepis diminuta. J HELMINTHOL, 74 (3): 259-265.
- Shostak, A., K. Smyth. AUG 1998. Activity of flour beetles (Tribolium confusam) in the presence of feces from rats infected with rat tapeworm (Hymenolepis diminuta). CANADIAN JOURNAL OF ZOOLOGY, 76 (8): 1472-1479.
- Sturdevant, L. 1907. Some Variations in Hymenolepis diminuta.
- Willis, C., R. Poulin. 1999. Effects of the tapeworm Hymenolepis diminuta on maternal investment in rats. Canadian Journal of Zoology, 77 (6): 1001-1005.
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