Volume 4, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



From January, 1952, through April, 1953, a series of dissections of wild-caught anthropophilic mosquitoes for larval worms resembling was performed in Marshall Territory, Liberia. Advanced-stage infections were found in , and . In addition, natural infections have been found in in a nearby locality in Liberia. No advanced-stage infections were found naturally in any culicine mosquito.

Five species of laboratory-reared indigenous mosquitoes were fed on a human donor with microfilariae of , and were readily infected and carried the infection to maturity within thirteen to fourteen days. and became infected in a much lower percentage, and development of the worms tended to be slower. In all three culicine species, many young nondeveloping larvae were noted in the thoracic muscles.

In the small series reported here, was more heavily infected with the intermediate stages of in nature than .


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