Identification of Environmental Covariates of West Nile Virus Vector Mosquito Population Abundance

2010 ◽  
Vol 10 (5) ◽  
pp. 515-526 ◽  
Author(s):  
Patricia R. Trawinski ◽  
D. Scott Mackay
Keyword(s):  
West Nile Virus ◽  
Virus Vector ◽  
Mosquito Population ◽  
Population Abundance ◽  
West Nile ◽  
Environmental Covariates ◽  
Vector Mosquito

scholarly journals Inter-annual variability of the effects of intrinsic and extrinsic drivers affecting West Nile virus vector Culex pipiens population dynamics in Northeastern Italy

2020 ◽  
Author(s):  
Diletta Fornasiero ◽  
Matteo Mazzuccato ◽  
Marco Barbujani ◽  
Fabrizio Montarsi ◽  
Gioia Capelli ◽  
...  
Keyword(s):  
Population Dynamics ◽  
West Nile Virus ◽  
Intraspecific Competition ◽  
Culex Pipiens ◽  
Climatic Variables ◽  
Mosquito Population ◽  
Population Abundance ◽  
West Nile ◽  
Northeastern Italy ◽  
Mosquito Population Dynamics

Abstract Background: Vector-borne infectious diseases (VBDs) represent a major public health concern worldwide. Among VBDs, West Nile Virus (WNV) showed an increasingly wider spread in temperate regions of Europe, including Italy. During the last decade, WNV outbreaks have been recurrently reported in mosquitoes, horses, wild birds, and humans, showing great variability in the temporal and spatial distribution pattern. Due to the complexity of the environment-host-vector-pathogen interaction and the incomplete understanding of the epidemiological pattern of the disease, WNV occurrences can be hardly predictable. The analyses of ecological drivers responsible for the earlier WNV reactivation and transmission are pivotal; in particular, variations in the vector population dynamics may represent a key point of the recent success of WNV and, more in general, of the VBDs.Methods: We investigated the variations of Culex pipiens population abundance using environmental, climatic and trapping data obtained over nine years (2010 to 2018) through the WNV entomological surveillance program implemented in northeastern Italy. An Information Theoretic approach (IT-AICc) and model-averaging algorithms were implemented to examine the relationship between the seasonal mosquito population growth rates and both intrinsic (e.g. intraspecific competition) and extrinsic (e.g. environmental and climatic variables) predictors, to identify the most significant combinations of variables outlining the Cx. pipiens population dynamics.Results: Population abundance (proxy for intraspecific competition) and length of daylight were the predominant factors regulating the mosquito population dynamics; however, also other drivers encompassing environmental and climatic variables had a significant impact, although sometimes counterintuitive and not univocal. The analyses of the single-year datasets, and the comparison with the results obtained from the overall model (all data available from 2010 to 2018), highlighted remarkable differences in coefficients magnitude, sign, and significance. These outcomes indicate that different combinations of factors might have distinctive, and sometimes divergent, effects on mosquito population dynamics. Conclusions: A more realistic acquaintance of the intrinsic and extrinsic mechanism of mosquito population fluctuations in relation to continuous changes in environmental and climatic conditions is paramount to properly reinforce VBDs risk-based surveillance activities, to plan targeted density control measures and to implement effective early detection programs.

Ecological Niche Modelling of Potential West Nile Virus Vector Mosquito Species and Their Geographical Association with Equine Epizootics in Italy

EcoHealth ◽  
2013 ◽  
Vol 11 (1) ◽  
pp. 120-132 ◽  
Author(s):  
Lapo Mughini-Gras ◽  
Paolo Mulatti ◽  
Francesco Severini ◽  
Daniela Boccolini ◽  
Roberto Romi ◽  
...  
Keyword(s):  
West Nile Virus ◽  
Ecological Niche ◽  
Mosquito Species ◽  
Ecological Niche Modelling ◽  
Virus Vector ◽  
Niche Modelling ◽  
West Nile ◽  
Vector Mosquito ◽  
Geographical Association

scholarly journals Ecological Niche Modeling of Potential West Nile Virus Vector Mosquito Species in Iowa

2010 ◽  
Vol 10 (110) ◽  
pp. 1-17 ◽  
Author(s):  
Scott R. Larson ◽  
John P. DeGroote ◽  
Lyric C. Bartholomay ◽  
Ramanathan Sugumaran
Keyword(s):  
West Nile Virus ◽  
Ecological Niche ◽  
Ecological Niche Modeling ◽  
Mosquito Species ◽  
Niche Modeling ◽  
Virus Vector ◽  
West Nile ◽  
Vector Mosquito

Polymorphic microsatellite loci from the West Nile virus vector Culex tarsalis

2006 ◽  
Vol 6 (3) ◽  
pp. 680-682 ◽  
Author(s):  
JASON L. RASGON ◽  
MEERA VENKATESAN ◽  
CATHERINE J. WESTBROOK ◽  
MARY CLAIRE HAUER
Keyword(s):  
West Nile Virus ◽  
Microsatellite Loci ◽  
Virus Vector ◽  
Culex Tarsalis ◽  
The West ◽  
West Nile ◽  
Polymorphic Microsatellite

scholarly journals Ecological Niche Modeling of West Nile Virus Vector in Northwest of Iran

2019 ◽  
Vol 34 (6) ◽  
pp. 514-520
Author(s):  
Davoud Adham ◽  
Eslam Moradi-Asl ◽  
Hassan Vatandoost ◽  
Abedin Saghafipour
Keyword(s):  
West Nile Virus ◽  
Ecological Niche ◽  
Ecological Niche Modeling ◽  
Niche Modeling ◽  
Virus Vector ◽  
West Nile ◽  
Northwest Of Iran

Influence of the microencapsulated pheromone from aged infusion as an oviposition medium of the West Nile virus vector Culex pipiens

2008 ◽  
Vol 104 (5) ◽  
pp. 1005-1009 ◽  
Author(s):  
Antonios Michaelakis ◽  
Anastasia. P. Mihou ◽  
George Koliopoulos ◽  
Elias. A. Couladouros
Keyword(s):  
West Nile Virus ◽  
Culex Pipiens ◽  
Virus Vector ◽  
The West ◽  
West Nile
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