Monthly prevalence and diversity of mosquitoes (Diptera: Culicidae) in Fars Province, Southern Iran
Authors: Davood Keshavarzi1, Zahra Soltani2*, Mostafa Ebrahimi2, Aboozar Soltani3, Gidiglo Godwin Nutifafa1, Firoozeh Soltani2, Hosssein Faramarzi4, Kamyar Amraee5, Amir Hassanzadeh6
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Objective: To get new data about the ecology of mosquitoes, which would be valuable to
develop programs for future provision of mosquito controls in the study area.
Methods: During April to September 2012, larvae of mosquitoes were collected from six
counties in south of Fars Province using dipping method. Characteristics of larval breeding
places were considered based on water conditions. Species diversity was examined in terms
of alpha and beta measures, with the intent of comparing mosquito diversity according to the
typology of regions.
Results: During this investigation, totally, 5057 larvae of mosquitoes belonging to 5 genera and
17 different mosquito species were recognized, namely, Anopheles dthali, Anopheles fluviatilis,
Anopheles stephensi, Anopheles superpictus, Culex quinquefasciatus (Cx. quinquefasciatus),
Culex mimeticus, Culex perexiguus, Culex pipiens (Cx. pipiens), Culex tritaeniorhynchus,
Culex theileri (Cx. theileri), Culex tritaeniorhynchus, Culex sinaiticus, Culex torrentium,
Culex modestus, Ochlerotatus caspius, Culiseta longiareolata and Aedes vexans (Ae. vexans).
This is the first record of Ae. vexans, Culex perexiguus and Culex modestus in the Province.
Cx. pipiens (27.3%), Cx. theileri (15.9%) and Cx. quinquefasciatus (9.4%) were the most
abundant species found respectively. Cx. pipiens reached the highest density in August and
July, while Cx. theileri, Cx. quinquefasciatus and Ae. vexans were found in high numbers in
June. Diversity analysis indicated the highest species diversity in the Mohr County (Margalef
index of 1.41 and Shannon index of 1.7) and the lowest species diversity in the Lamerd County
(Margalef index of 0.33 and Shannon index of 0.38).
Conclusions: Regarding to this research, there are some potential vectors of medical and
veterinary importance in Fars Province. Results of the present study may serve as a basis for
risk assessment of emerging mosquito-borne diseases.