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anopheles stephensi

Anthropogenic Factors Driving Recent Range Expansion of the Malaria Vector Anopheles stephensi

March 20, 2019 - 16:12 -- Open Access
Author(s): 
Sinnathamby N. Surendran, Kokila Sivabalakrishnan, Ranjan Ramasamy, et al.
Reference: 
Frontiers in Public Health, 1 March 2019 Volume 7 Article 53

The malaria vector Anopheles stephensi is found in wide tracts of Asia and the Middle East.

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Influence of midgut microbiota in Anopheles stephensi on Plasmodium berghei infections

October 30, 2018 - 15:41 -- Open Access
Author(s): 
Devaiah Monnanda Kalappa, Pradeep Annamalai Subramani, Neena Valecha, et al.
Reference: 
Malaria Journal 2018 17:385, 25 October 2018

The use of microbial symbiont to reduce the competence of vectors involved in disease transmission has gained much importance in recent years as an emerging alternative approach towards disease control.

Speculation on the possibility for introducing Anopheles stephensi as a species complex: preliminary evidence based on odorant binding protein 1 intron I sequence

October 17, 2018 - 15:09 -- Open Access
Author(s): 
Samira Firooziyan, Navid Dinparast Djadid and Saber Gholizadeh
Reference: 
Malaria Journal 2018 17:366, 16 October 2018

Iran is going to eliminate malaria transmission from the country, precise species identification, especially in complex species will be helpful in the prevention of malaria resurgence in the country, mainly because of common fauna of Anopheles species and through border malaria and population movement within Afghanistan, Pakistan, and Iran.

Genotype and biotype of invasive Anopheles stephensi in Mannar Island of Sri Lanka

May 30, 2018 - 07:38 -- Open Access
Author(s): 
Sinnathamby N. Surendran, Kokila Sivabalakrishnan, Ranjan Ramasamy, et al.
Reference: 
Parasites & Vectors (2018) 11:3

The present study provides a more detailed molecular characterization of An. stephensiand suggests the presence of the type-form of the vector for the first time in Sri Lanka. The single mutation in the cox1 gene may be indicative of a founder effect causing the initial diversification of An. stephensi in Sri Lanka from the Indian form. 

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First record of Anopheles stephensi in Sri Lanka: a potential challenge for prevention of malaria reintroduction

August 14, 2017 - 15:26 -- Open Access
Author(s): 
A. G. Gayan Dharmasiri, A. Yashan Perera, Jeevanie Harishchandra, Hemantha Herath, Kandasamy Aravindan, H. T. R. Jayasooriya, Gaya R. Ranawaka and Mihirini Hewavitharane
Reference: 
Malaria Journal 2017 16:326, 10 August 2017

Sri Lanka was certified as malaria-free by the WHO in September 2016, however, this new finding may pose a serious challenge to the efforts of the Ministry of Health to prevent the re-introduction of malaria transmission in the country, considering the role that An. stephensi could play in urban and high vulnerability areas of Sri Lanka.

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Resting and feeding preferences of Anopheles stephensi in an urban setting, perennial for malaria

March 15, 2017 - 15:43 -- Open Access
Author(s): 
Shalu Thomas, Sangamithra Ravishankaran, N. A. Johnson Amala Justin, Aswin Asokan, Manu Thomas Mathai, Neena Valecha, Jacqui Montgomery, Matthew B. Thomas and Alex Eapen
Reference: 
Malaria Journal 2017 16:111, 10 March 2017

Control of the adult vector populations can be successful only by understanding the resting and feeding preferences.

Evidence of metabolic mechanisms playing a role in multiple insecticides resistance in Anopheles stephensi populations from Afghanistan

March 9, 2017 - 15:46 -- Open Access
Author(s): 
Noor Halim Zahid Safi, Abdul Ali Ahmadi, Sami Nahzat, Seyyed Payman Ziapour, Seyed Hassan Nikookar, Mahmoud Fazeli-Dinan, Ahmadali Enayati and Janet Hemingway
Reference: 
Malaria Journal 2017 16:100, 3 March 2017

Based on the results, the reported resistance to pyrethroid and organophosphate insecticides, and tolerance to bendiocarb in the Kunar and Nangarhar populations of An. stephensi from Afghanistan are likely to be caused by a range of metabolic mechanisms, including esterases, P450s and GSTs combined with target site insensitivity in AChE.

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Does fluoride influence oviposition of Anopheles stephensi in stored water habitats in an urban setting?

November 16, 2016 - 17:26 -- Open Access
Author(s): 
Shalu Thomas, Sangamithra Ravishankaran, N. A. Johnson Amala Justin, Aswin Asokan, T. Maria Jusler Kalsingh, Manu Thomas Mathai, Neena Valecha and Alex Eapen
Reference: 
Malaria Journal 2016 15:549, 9 November 2016

Knowledge of larval ecology of vector mosquitoes is a key factor in risk assessment and for implementing appropriate and sustainable vector control operations.

Overhead tank is the potential breeding habitat of Anopheles stephensi in an urban transmission setting of Chennai, India

May 16, 2016 - 19:01 -- Open Access
Author(s): 
Shalu Thomas, Sangamithra Ravishankaran, Johnson A. Justin, Aswin Asokan, Manu T. Mathai, Neena Valecha, Matthew B. Thomas and Alex Eapen
Reference: 
Malaria Journal 2016 15:274, 11 May 2016

The findings that OHTs showed fairly high and consistent immature density of An. stephensi irrespective of seasons indicates the potentiality of the breeding habitat in contributing to vector density.

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A Novel Xenomonitoring Technique Using Mosquito Excreta/Feces for the Detection of Filarial Parasites and Malaria

April 27, 2016 - 17:02 -- Open Access
Author(s): 
Nils Pilotte, Weam I. Zaky, Brian P. Abrams, Dave D. Chadee, Steven A. Williams
Reference: 
PLoS Negl Trop Dis 10(4): e0004641

While the operationalizing of excreta/feces testing may require the development of new strategies for sample collection, the high-throughput nature of this new methodology has the potential to greatly reduce MX costs.

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