Differential length of Onchocerca volvulus infective larvae from the Cameroon rain forest and savanna.

Tropical medicine and parasitology : official organ of Deutsche Tropenmedizinische Gesellschaft and of Deutsche Gesellschaft fur Technische Zusammenarbeit (GTZ)

PubMedID: 2339243

Eichner M, Renz A. Differential length of Onchocerca volvulus infective larvae from the Cameroon rain forest and savanna. Trop Med Parasitol. 1990;41(1):29-32.
Infective larvae from the savanna strain of Onchocerca volvulus are significantly longer (662. 6 +/- 66. 8 microns; n = 99) than those from the forest strain (624. 2 +/- 62. 0 microns; n = 236). The length of the infective larvae is not influenced by the size, species or age post infectionem (pi) of the Simulium damnosum s. l. vectors nor by their localization in the fly's head, thorax or abdomen, the worm load per fly or the thoracic volume per larva. However, the lengths of infective larvae within one individual fly have a conspiciously low variance.