Original Article

Larval Habitat Characteristics of Mosquitoes (Diptera: Culicidae) in Andimeshk County of Khuzistan Province, Southwestern Iran )2019–2020)

Abstract

Background: Mosquitoes (Diptera: Culicidae), with their blood-sucking behavior, are known important vectors of certain pathogens. Since no research has been done on the habitat characteristics of mosquito larvae in Andimeshk County of Khuzistan Province, southwestern Iran, this study aimed to determine these features in the county during 2019–2020.
Methods: The third- and fourth-instar larvae were collected from natural and artificial habitats by the dipping method, from nine localities. Physical characteristics of larval habitats, including habitat situation (permanent/temporary, run­ning/stagnant), sunlight situation, vegetation status, water turbidity, substrate type and habitat type (natural/artificial), were recorded. The collected specimens were kept in vials containing lactophenol and the microscope slides were prepared using Berlese’s fluid. The larvae were identified using valid identification keys.
Results: In total, 1363 larvae, including four genera and 15 species, were identified. Eleven species were new to the county and one species, Cx. bitaeniorhynchus, was new to the province. The most common species were Culex theileri (17.2%) and Cx. quinquefasciatus (15.6 %), respectively, and the least species were Anopheles dthali (0.7%) and An.  multicolor (0.4%). The most abundant mosquito larvae were in spring (44.2 %) and June (22.6%). Most of the larvae were caught from natural (75.6%), temporary (51.5%), without vegetation (57.5%) and full sunny (64.7%) habitats. Approxi­mately, 85.2%, 56.5% and 78.1% of habitats had clear water, stagnant water with mud substrate, respectively. The affinity index of the species was calculated. 
Conclusion: Regarding the medical importance of the abundant species, the investigation of adult ecology is suggested for future studies.

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Keywords
Anophelinae; Culicinae Fauna Larval breeding places Oviposition sites

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Kassiri H, Zamanizadeh M, Azari-Hamidian S. Larval Habitat Characteristics of Mosquitoes (Diptera: Culicidae) in Andimeshk County of Khuzistan Province, Southwestern Iran )2019–2020). J Arthropod Borne Dis. 2026;.