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anopheles gambiae s.l.

Intensity and mechanisms of deltamethrin and permethrin resistance in Anopheles gambiae s.l. populations in southern Benin

April 22, 2021 - 08:50 -- Open Access
Author(s): 
Sagbohan HW, Kpanou CD, Akogbeto M, et al.
Reference: 
Parasit Vectors. 2021 Apr 14;14(1):202

Insecticide resistance is threatening the effectiveness of efforts to control malaria vectors in Benin. This study explores the levels and mechanisms of insecticide resistance in An. gambiae s.l. to pyrethroids.

Insecticide resistance status in Anopheles gambiae (s.l.) in coastal Kenya

April 22, 2021 - 08:26 -- Open Access
Author(s): 
Munywoki DN, Kokwaro ED, Mwangangi JM, Muturi EJ, Mbogo CM
Reference: 
Parasit Vectors. 2021 Apr 20;14(1):207

The rapid and widespread evolution of insecticide resistance has emerged as one of the major challenges facing malaria control programs in sub-Saharan Africa. Understanding the insecticide resistance status of mosquito populations and the underlying mechanisms of insecticide resistance can inform the development of effective and site-specific strategies for resistance prevention and management. The aim of this study was to investigate the insecticide resistance status of Anopheles gambiae (s.l.) mosquitoes from coastal Kenya.

Survivorship of Anopheles gambiae sensu lato in irrigated sugarcane plantation scheme in Ethiopia

March 10, 2021 - 13:18 -- Open Access
Author(s): 
Hawaria D, Kibret S, Demissew A, Tsegaye A, Bitew D, Yan G, Yewhalaw D
Reference: 
Parasit Vectors. 2021 Mar 6;14(1):142

To ensure food security, sub-Saharan Africa has initiated massive water resource development projects, such as irrigated agriculture, in recent years. However, such environmental modifications affect the survivorship and development of mosquitoes, which are vectors of different diseases. This study aimed at determining the effects of irrigation practices on development and survivorship of Anopheles gambiae s.l. in Ethiopia.

Insecticide resistance status of malaria vectors Anopheles gambiae (s.l.) of southwest Burkina Faso and residual efficacy of indoor residual spraying with microencapsulated pirimiphos-methyl insecticide

January 20, 2021 - 06:07 -- Open Access
Author(s): 
Soma DD, Zogo B, Dabiré RK, et al.
Reference: 
Parasit Vectors. 2021 Jan 18;14(1):58

The rapid spread of insecticide resistance in malaria vectors and the rebound in malaria cases observed recently in some endemic areas underscore the urgent need to evaluate and deploy new effective control interventions. A randomized control trial (RCT) was conducted with the aim to investigate the benefit of deploying complementary strategies, including indoor residual spraying (IRS) with pirimiphos-methyl in addition to long-lasting insecticidal nets (LLINs) in Diébougou, southwest Burkina Faso.

NOT Open Access | Using pastoralist community knowledge to locate and treat dry-season mosquito breeding habitats with pyriproxyfen to control Anopheles gambiae s.l. and Anopheles funestus s.l. in rural Tanzania

January 12, 2021 - 14:35 -- NOT Open Access
Author(s): 
Lupenza ET, Kihonda J, Limwagu AJ, Ngowo HS, Sumaye RD, Lwetoijera DW
Reference: 
Parasitol Res. 2021 Jan 6

Fundamentally, larviciding with pyriproxyfen (PPF) has potential to complement Long Lasting Insecticide Nets (LLINs) and indoor residual sprays (IRS) in settings where resistance to pyrethroids and residual malaria transmission exist. In this study, we evaluated the field effectiveness of larviciding using PPF to reduce dry season productivity of mosquito breeding habitats that were located by pastoralists within the study area.

The Effects of High-Altitude Windborne Migration on Survival, Oviposition, and Blood-Feeding of the African Malaria Mosquito, Anopheles gambiae s.l. (Diptera: Culicidae)

July 16, 2020 - 07:53 -- Open Access
Author(s): 
Sanogo ZL, Yaro AS, Dao A, Diallo M, Yossi O, Samaké D, Krajacich BJ, Faiman R, Lehmann T
Reference: 
J Med Entomol. 2020 Jul 15:tjaa137

Recent results of high-altitude windborne mosquito migration raised questions about the viability of these mosquitoes despite ample evidence that many insect species, including other dipterans, have been known to migrate regularly over tens or hundreds of kilometers on high-altitude winds and retain their viability. To address these concerns, we subjected wild Anopheles gambiae s.l.

Resistance status of Anopheles gambiae s.l. to insecticides following the 2011 mass distribution campaign of long-lasting insecticidal nets (LLINs) in the Plateau Department, south-eastern Benin

January 20, 2020 - 15:50 -- Open Access
Author(s): 
Arthur Sovi, Renaud Govoétchan, Martin Codjo Akogbeto, et al.
Reference: 
Malaria Journal 2020 19:26, 15 January 2020

In 2011, Benin’s National Malaria Control Programme (NMCP) organized a nationwide mass distribution campaign of LLINs throughout the country. Following this intervention, it was important to assess whether the level of susceptibility of malaria vectors to insecticides had remained the same as compared to the pre-intervention period. The current study investigated this.

The influence of age on insecticide susceptibility of Anopheles arabiensis during dry and rainy seasons in rice irrigation schemes of Northern Tanzania

September 12, 2017 - 15:28 -- Open Access
Author(s): 
Saada Mbepera, Gamba Nkwengulila, Rose Peter, Emmanuel A. Mausa, Aneth M. Mahande, Maureen Coetzee and Eliningaya J. Kweka
Reference: 
Malaria Journal 2017 16:364, 11 September 2017

Results showed that An. arabiensis were resistant to pyrethroids in both seasons and that the young age groups exhibited higher levels of resistance compared with the older age groups.

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Estimating the annual entomological inoculation rate for Plasmodium falciparum transmitted by Anopheles gambiae s.l. using three sampling methods in three sites in Uganda

April 7, 2014 - 16:56 -- Open Access
Author(s): 
Kilama M, Smith DL, Hutchinson R, Kigozi R, Yeka A, Lavoy G, Kamya MR, Staedke SG, Donnelly MJ, Drakeley C, Greenhouse B, Dorsey G, Lindsay SW
Reference: 
Malaria Journal 2014, 13 :111 (21 March 2014)

In an area of perennial transmission, the accuracy, precision and seasonal distribution (i.e., month by month) of aPfEIR were investigated.

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Not Open Access | Effects of blood-feeding on olfactory sensitivity of the malaria mosquito Anopheles gambiae: Application of mixed linear models to account for repeated measurements

October 9, 2013 - 14:55 -- NOT Open Access
Author(s): 
Yu-Tong Qiu, Gerrit Gort, Roberta Torricelli, Willem Takken, Joop J.A. van Loon
Reference: 
Journal of Insect Physiology, Volume 59, Issue 11, November 2013, Pages 1111-1118
MalariaWorld

We investigated if peripheral olfactory sensitivity changed after a blood meal by recording electroantennograms (EAGs) of female mosquitoes at three time points (2 h, 48 h and 72 h) to 15 volatile kairomones of either human origin or documented to emanate from oviposition sites.

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