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anopheles arabiensis

Characterising the effect of Akirin knockdown on Anopheles arabiensis (Diptera: Culicidae) reproduction and survival, using RNA-mediated interference

February 17, 2020 - 12:21 -- Open Access
Letinić BD, Dahan-Moss Y, Koekemoer LL
PLoS ONE 15(2): e0228576

Anopheles arabiensis is an opportunistic malaria vector that rests and feeds outdoors, circumventing current vector control methods. Furthermore, this vector will readily feed on animal as well as human hosts. Targeting the vector, while feeding on animals, can provide an additional intervention for the current vector control activities. Agricultural animals are regularly vaccinated with recombinant proteins for the control of multiple endo- and ecto-parasitic infestations. The use of a Subolesin-vaccine showed a mark reduction in tick reproductive fitness.

A rapid quality control test to foster the development of the sterile insect technique against Anopheles arabiensis

January 27, 2020 - 13:42 -- Open Access
Nicole J. Culbert, Nanwintoum Séverin Bimbilé Somda, Maiga Hamidou, Dieudonné Diloma Soma, Silvana Caravantes, Thomas Wallner, Mamai Wadaka, Hanano Yamada and Jérémy Bouyer
Malaria Journal 2020 19:44, 23 January 2020

With the fight against malaria reportedly stalling there is an urgent demand for alternative and sustainable control measures. As the sterile insect technique (SIT) edges closer to becoming a viable complementary tool in mosquito control, it will be necessary to find standardized techniques of assessing male quality throughout the production system and post-irradiation handling. Flight ability is known to be a direct marker of insect quality. A new version of the reference International Atomic Energy Agency/Food and Agricultural Organization (IAEA/FAO) flight test device (FTD), modified to measure the flight ability and in turn quality of male Anopheles arabiensis within a 2-h period via a series of verification experiments is presented.

Second generation effects of larval metal pollutant exposure on reproduction, longevity and insecticide tolerance in the major malaria vector Anopheles arabiensis (Diptera: Culicidae)

January 14, 2020 - 12:07 -- Open Access
Jeanrenaud ACSN, Brooke BD, Oliver SV
Parasites & Vectors, 2020 Jan 7; 13(1):4

Members of the Anopheles gambiae complex breed in clean, sunlit temporary bodies of water. Anthropogenic pollution is, however, altering the breeding sites of the vectors with numerous biological effects. Although the effects of larval metal pollution have previously been examined, this study aims to assess the transgenerational effects of larval metal pollution on the major malaria vector An. arabiensis.

The effect of ivermectin® on fertility, fecundity and mortality of Anopheles arabiensis fed on treated men in Ethiopia

November 11, 2019 - 16:16 -- Open Access
Wondemeneh Mekuriaw, Meshesha Balkew, Louisa A. Messenger, Delenasaw Yewhalaw, Adugna Woyessa and Fekadu Massebo
Malaria Journal 2019 18:357, 8 November 2019

Insecticide resistance is a growing threat to malaria vector control. Ivermectin, either administered to humans or animals, may represent an alternate strategy to reduce resistant mosquito populations. The aim of this study was to assess the residual or delayed effect of administering a single oral dose of ivermectin to humans on the survival, fecundity and fertility of Anopheles arabiensis in Ethiopia.


Using a miniaturized double-net trap (DN-Mini) to assess relationships between indoor–outdoor biting preferences and physiological ages of two malaria vectors, Anopheles arabiensis and Anopheles funestus

August 27, 2019 - 21:56 -- Open Access
Alex J. Limwagu, Emmanuel W. Kaindoa, Fredros O. Okumu, et al.
Malaria Journal 2019 18:282, 22 August 2019

Effective malaria surveillance requires detailed assessments of mosquitoes biting indoors, where interventions such as insecticide-treated nets work best, and outdoors, where other interventions may be required. Such assessments often involve volunteers exposing their legs to attract mosquitoes [i.e., human landing catches (HLC)], a procedure with significant safety and ethical concerns. Here, an exposure-free, miniaturized, double-net trap (DN-Mini) is used to assess relationships between indoor–outdoor biting preferences of malaria vectors, Anopheles arabiensis and Anopheles funestus, and their physiological ages (approximated by parity and insemination states).

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Using mid-infrared spectroscopy and supervised machine-learning to identify vertebrate blood meals in the malaria vector, Anopheles arabiensis

June 3, 2019 - 15:21 -- Open Access
Emmanuel P. Mwanga, Salum A. Mapua, Fredros O. Okumu, et al.
Malaria Journal 2019 18:187, 30 May 2019

The propensity of different Anopheles mosquitoes to bite humans instead of other vertebrates influences their capacity to transmit pathogens to humans. Unfortunately, determining proportions of mosquitoes that have fed on humans, i.e. Human Blood Index (HBI), currently requires expensive and time-consuming laboratory procedures involving enzyme-linked immunosorbent assays (ELISA) or polymerase chain reactions (PCR). Here, mid-infrared (MIR) spectroscopy and supervised machine learning are used to accurately distinguish between vertebrate blood meals in guts of malaria mosquitoes, without any molecular techniques.

Detection of alleles associated with resistance to chemical insecticide in the malaria vector Anopheles arabiensis in Santiago, Cabo Verde

April 8, 2019 - 16:17 -- Open Access
Derciliano Lopes da Cruz, Marcelo Henrique Santos Paiva, Duschinka Ribeiro Duarte Guedes, Joana Alves, Lara Ferrero Gómez and Constância Flávia Junqueira Ayres
Malaria Journal 2019 18:120, 5 April 2019

This is the first study to investigate the circulation of insecticide resistance alleles in An. arabiensis from Cabo Verde.

Evaluation of toxicity of clothianidin (neonicotinoid) and chlorfenapyr (pyrrole) insecticides and cross-resistance to other public health insecticides in Anopheles arabiensis from Ethiopia

February 26, 2019 - 15:22 -- Open Access
Kendra Dagg, Seth Irish, Ryan E. Wiegand, Josephat Shililu, Delenasaw Yewhalaw and Louisa A. Messenger
Malaria Journal 2019 18:49, 22 February 2019

The putative diagnostic doses of clothianidin and chlorfenapyr are appropriate for monitoring resistance in An. arabiensis from Ethiopia.


Sweet attraction: sugarcane pollen-associated volatiles attract gravid Anopheles arabiensis

February 22, 2018 - 15:59 -- Open Access
Betelehem Wondwosen, Göran Birgersson, Habte Tekie, Baldwyn Torto, Rickard Ignell and Sharon R. Hill
Malaria Journal 2018 17:90, 21 February 2018

The attraction of gravid females to sugarcane pollen volatiles demonstrated in this study, together with the previously found grass-associated volatiles, raise the potential of developing a bioactive chimeric blend to attract gravid malaria mosquitoes.

Impact of insecticide resistance in Anopheles arabiensis on malaria incidence and prevalence in Sudan and the costs of mitigation

December 27, 2017 - 12:52 -- Open Access
Hmooda Toto Kafy, Bashir Adam Ismail, Immo Kleinschmidt, et al.
PNAS December 26, 2017 vol. 114 no. 52 E11267-E11275

Insecticide-based interventions have contributed to ∼78% of the reduction in the malaria burden in sub-Saharan Africa since 2000.


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