• DOI:10.4269/AJTMH.1978.27.1265
• Corpus ID: 26822102

Release of Romanomermis culicivorax for the control of Anopheles albimanus in El Salvador II. Application of the nematode.

@article{Petersen1978ReleaseOR,
  title={Release of Romanomermis culicivorax for the control of Anopheles albimanus in El Salvador II. Application of the nematode.},
  author={James J. Petersen and Harold C. Chapman and Osborne R. Willis and T. Fukuda},
  journal={The American journal of tropical medicine and hygiene},
  year={1978},
  volume={27 6},
  pages={
          1268-73
        }
}

• J. J. Petersen, H. Chapman, +1 author T. Fukuda
• Published 1 November 1978
• Biology
• The American journal of tropical medicine and hygiene

The mosquito breeding area of Lake Apastepeque, El Salvador, was treated 11 times over a 7-week period with Romanomermis culicivorax to control Anopheles albimanus and An. p. pseudopunctipennis. Parasitism averaged 58% but varied greatly from treatment to treatment and from site to site. However, three applications made during evening hours to avoid wind and wave action on the lake produced an average 86% parasitism. No significant differences in susceptibility to R. culicivorax were found between instars or between species. Also, no correlation was found between nematode dosage rates and levels of parasitism. Though the parasitism averaged about 60% of the desired level, Anopheles populations dropped from more than 10 per dip at the beginning of the release program to 0.6 per dip at the end of the release period (a 94% reduction). This is the first successful attempt to control mosquitoes on a large scale by using a parasite or pathogen.