World Health Organization : Regioinal Office for Africa ; Year 1993 ; Africa Region, Education and Training, Issue 157 - in French: Atelier de la Confederation des Associations et Societes Meciales d’Afrique (CASMA) ; Contribution d’Afrio - Maseru, 26 Octobre - Ler Novembre 1986

By World Health Organization

Book Id: WPLBN0000186836
Format Type: PDF eBook
File Size: 0.4 MB
Reproduction Date: 2005

Title:	World Health Organization : Regioinal Office for Africa ; Year 1993 ; Africa Region, Education and Training, Issue 157 - in French: Atelier de la Confederation des Associations et Societes Meciales d’Afrique (CASMA) ; Contribution d’Afrio - Maseru, 26 Octobre - Ler Novembre 1986
Author:	World Health Organization
Volume:
Language:	English
Subject:	Health., Public health, Wellness programs
Collections:	Medical Library Collection, World Health Collection
Historic Publication Date:
Publisher:	World Health Organization


Citation APA MLA Chicago Organization, W. H. (n.d.). World Health Organization : Regioinal Office for Africa ; Year 1993 ; Africa Region, Education and Training, Issue 157 - in French. Retrieved from http://self.gutenberg.org/

Description
Medical Reference Publication

Excerpt
It is well established that natural breeding-sites of mosquito larvae are determined by the behaviour of ovipositing females. Culex pipiens fatigans Wiedemann, the most important vector of urban bancroftian filariasis, breeds in highly polluted surface water. Richard (1959) actually observed that the rapid fermentation of organic nlaterial in anaerobic soils rendered the overlying water nlore attractive for oviposition of C. pelts and C. tarsalis. Hayashi (1962) also demonstrated that decaying rice-straw induced the deposition of a large number of egg-rafts of C. pipiens pallens. The investigation of the chemical factors that induce oviposition in polluted water is therefore of importance for an understanding of mosquito ecology and in the search for substances that might be useful in the assessment and control of mosquito populations.

Table of Contents
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