Fauna, Abundance, Distribution and Seasonal Activity of Anopheles Mosquitoes (Diptera: Culicidae) in Larval habitats

AUTHORS

Hamid Amani 1 , Mohammadreza Yaghoobi Ershadi 2 , Hamid kassiri 3 , *

AUTHORS INFORMATION

1 MSc of Medical Entomology and Vector Control, Luristan University of Medical Sciences, Khoramabad, Iran.

2 Profeesor Department of Medical Entomology and Vector Control, Tehran University of Medical Sciences, Tehran, Iran.

3 Assistant Professor Department of Medical Entomology and Vector Control, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

ARTICLE INFORMATION

Hormozgan Medical Journal: 17 (2); e88094
Published Online: April 14, 2012
Article Type: Research Article
Received: November 12, 2011
Accepted: April 14, 2012

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Abstract

Introduction: Mosquito – borne diseases are a major public health threat in the world,
including Iran. This investigation was undertaken to determine fauna, distribution, frequency
and monthly activity of Anopheles larvae in Aligoudarz County.
Methods: This descriptive research was carried out during April to December 1997 to
study Anopheles mosquitoes fauna and seasonal activity in seven rural districts if Aligoudarz
city, Iran. Sampling for Anopheles Larvae was done using standard dipping method. The
mosquitoes Larvae were catched from larval habitats every fifteen days. The Larvae for
each habitat were placed separately in test – tubes and transferred to the Laboratory. All III
and IV instars of Anopheles larvae were preserved in Lactophenol solution and later
identified into species using a Microscope.
Results: 9620 mosquito specimens from 115 breeding sites in 22 villages were collected.
Eight species were identified: Anopheles superpictus Grassi, 1899 (93.18%), A. turkhudi
Listin, 1901 (2. 84%), A. maculipennis Meigen, 1818 (1.99%), A. marteri sogdianus
Keshishian, 1938 (0.61%), A. dthali Patton, 1905 (0.45%), A. sacharovi Favre, 1903
(0.35%), A. claviger Meigen, 1804 (0.29%). A. stephensi Liston, 1901 (0.24%) and A.
apoci Marsh, 1933 (0.05%). A. maculipennis, A. sacharovi, A. stephensi and A. dthali are
reported for the first time in this county. A. superpictus was the most frequent and
distribution Anopheles mosquito collected at the Aligoudarz. Anopheles larvae started to
appear in late May or mid June and ended in mid November in the breeding places of
Zallaghi – Sharghi and Zez – Sharghi districts. The curve of activity has only one peak in
the second half of August.
Conclusion: A lot of questions about the bionomics of Anopheles mosquitoes in Iran
(especially in regions of western Iran) remain to be answered, that have yet to be studied.

Keywords

Ecology - Anopheles - Aligoudarz - Iran

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