Impact of environmental factors on Anopheles maculipennis complex (Diptera: Culicidae) populations in three localities of Turkey

Authors: Muhammet Mustafa Akiner, Elcin EKSI
The aim of this study is to investigate population dynamisms for the primary and potential malaria vector species (Anopheles maculipennis complex) during six years in three different regions (Birecik, Beyşehir, Çankırı) and their relationship with the climatic factors. Samples of the Anopheles maculipennis complex species were collected using 10 min/person standardized methods by a mouth aspirator. Data of temperature, precipitation and humidity were obtained by the Meteorological Service in the period from 2004 to 2009 searching for a relationship between population dynamics and climatic changes.

A gradual increase from 2004 to 2009 was determined in Çankırı populations. After a sharp increase in 2005, Beyşehir and Birecik population’s have decreased in following years. Although observing a positive correlation between population size and temperature, in terms of humidity and precipitation parameters there was negative correlation with population size. As a result of research which has been conducted over six years, seasonal and annual fluctuations were observed of Anopheles maculipennis complex populations in all regions. Population dynamisms showed a bimodal structure in all areas except for Beyşehir populations. Those specie’s density can reach serious levels due to the zoophilic tendencies.

 

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