Volume s1-16, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Circumstantial evidence indicates that American leishmaniasis is transmitted by a winged, biting insect which lives among trees or shrubs.

As a result of experimental work, most of which has been conducted in the Eastern Hemisphere, it seems highly probable that all forms of leishmaniasis are transmitted by the bites of certain species of . Should this hypothesis prove true, it is still possible that the disease may be transmitted occasionally by other vectors, and that ulcerating forms may sometimes be conveyed by direct contact, or even indirectly by contact with infected material.

In nearly all parts of the Western Hemisphere from which supposedly indigenous cases of leishmaniasis have been reported, one or more species of which bite man are known to occur. Further search should be made for in certain regions from which it has not been reported but in which leishmaniasis is indigenous. Further studies should also be made of the bionomics of American species of which bite man.


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  • Received : 20 Nov 1935
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