Monogenetic insect trypanosomatids of the genera Crithidia, Leptomonas and Herpetomonas, multiplied as in axenic cultures, for many months, in the lumen of the scent glands of the opossum Didelphis marsupialis. Specific antibodies were detected in the serum of the animals but there was no evidence of invasion of their tissues by the parasites.
monogenetic trypanosomatids; Crithidia; Leptomonas; Herpetomonas; opossum; Didelphis marsupialis; scent glands