Volume 10, Issue 5
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



The digestive tracts and excrement of dung beetles were examined after ingestion of human feces containing the eggs of hookworm, , and whipworm, and cysts of , and . Practically no eggs and few cysts were recovered from and , and no larvae were found in the former after the ingestion of embryonated eggs. From and unaltered whipworm eggs and more cysts, but no hookworm and few eggs, were recovered. Only , the largest species, regularly contained and excreted ingested eggs. Recovered eggs were decorticated and sometimes crushed, but many from the gut of proved viable when incubated. Destruction of eggs and cysts is attributed to the grinding action of the beetles' mandibles, which is evidently least efficient in . Although dung beetles may be significant in other ways in the dissemination of hookworm, the species most abundantly attracted to human stools destroy ingested eggs of this parasite and of and do not transport them internally.


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