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anopheles coluzzii

Comparison of swarming, mating performance and longevity of males Anopheles coluzzii between individuals fed with different natural fruit juices in laboratory and semi-field conditions

May 6, 2020 - 16:11 -- Open Access
Author(s): 
Charles Nignan, Abdoulaye Niang, Abdoulaye Diabaté, et al.
Reference: 
Malaria Journal 2020 19:173, 6 May 2020

It is assumed that malaria vectors feed on locally available nectar sources to obtain energy. Sugar feeding is energetically critical for the Anopheles male swarming and mating activities. However, little is known about the impact of local nectar feeding on male physiological development and its consequences on male mosquito life traits in the malaria control context. This study aimed to evaluate the influence of local fruit juices on the life traits of males Anopheles coluzzii.

Species and sex-specific chemosensory gene expression in Anopheles coluzzii and An. quadriannulatus antennae

April 27, 2020 - 12:43 -- Open Access
Author(s): 
Athrey G, Popkin-Hall Z, Cosme LV, Takken W, Slotman MA
Reference: 
Parasit Vectors. 2020 Apr 22;13(1):212

Olfactory cues drive mosquito behaviors such as host-seeking, locating sugar sources and oviposition. These behaviors can vary between sexes and closely related species. For example, the malaria vector Anopheles coluzzii is highly anthropophilic, whereas An. quadriannulatus is not. These behavioral differences may be reflected in chemosensory gene expression.

A preliminary analysis on the effect of copper on Anopheles coluzzii insecticide resistance in vegetable farms in Benin

April 15, 2020 - 14:23 -- Open Access
Author(s): 
Talom AD, Essoung MA, Gbankoto A, Tchigossou G, Akoton R, Sahabi BBA, Atoyebi SM, Fotso Kuate A, Verspoor RL, Tamò M, Tchuinkam T, Lehman GL, Lines J, Wondji CS, Djouaka R
Reference: 
Sci Rep. 2020 Apr 14;10(1):6392

The use of agrochemicals in vegetable production could influence the selection for insecticide resistance in malaria vectors. Unfortunately, there is a dearth of information on the potential contribution of agrochemicals to insecticide resistance in Anopheles mosquitoes breeding on vegetable farms in southern Benin.

Effects of indoor residual spraying and outdoor larval control on Anopheles coluzzii from São Tomé and Príncipe, two islands with pre-eliminated malaria

December 10, 2019 - 09:03 -- Open Access
Author(s): 
Chen YA, Lien JC, Tseng LF, Cheng CF, Lin WY, Wang HY, Tsai KH
Reference: 
Malaria Journal, Volume 18, 405 (Dec 5, 2019)

Vector control is a key component of malaria prevention. Two major vector control strategies have been implemented in São Tomé and Príncipe (STP), indoor residual spraying (IRS) and outdoor larval control using Bacillus thuringiensis israelensis (Bti). This study evaluated post-intervention effects of control strategies on vector population density, composition, and knockdown resistance mutation, and their implications for malaria epidemiology in STP.

Microbiota-induced peritrophic matrix regulates midgut homeostasis and prevents systemic infection of malaria vector mosquitoes

May 25, 2017 - 14:42 -- Open Access
Author(s): 
Faye H. Rodgers, Mathilde Gendrin, Claudia A. S. Wyer, George K. Christophides
Reference: 
PLoS Pathog 13(5): e1006391

Manipulation of the mosquito gut microbiota can lay the foundations for novel methods for disease transmission control.

Seeing is believing: the nocturnal malarial mosquito Anopheles coluzzii responds to visual host-cues when odour indicates a host is nearby

June 8, 2016 - 16:07 -- Open Access
Author(s): 
Hawkes F, Gibson G
Reference: 
Parasites & Vectors 2016, 9:320 (3 June 2016)

The immediate aim of our study was to analyse the behaviour of the malarial mosquito Anopheles coluzzii (An. gambiae species complex) near a human host with the ultimate aim of contributing to our fundamental understanding of mosquito host-seeking behaviour and the overall aim of identifying behaviours that could be exploited to enhance sampling and control strategies.

Desiccation tolerance in Anopheles coluzzii: the effects of spiracle size and cuticular hydrocarbons

May 26, 2016 - 16:29 -- Open Access
Author(s): 
Arcaz AC, Huestis DL, Dao A, Yaro AS, Diallo M, Andersen J, Blomquist GJ, Lehmann T
Reference: 
J Exp Biol. 2016 May 13

The assay's relative humidity, body water available, rate of water loss, and water content at death accounted for 88% of the variation in desiccation tolerance. Spiracle size did not affect the rate of water loss or desiccation tolerance of the colony mosquitoes, as was the case for the total CHCs.

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Larval ecology of Anopheles coluzzii in Cape Coast, Ghana: water quality, nature of habitat and implication for larval control

November 18, 2015 - 14:05 -- Open Access
Author(s): 
Andreas Kudom
Reference: 
Malaria Journal 2015, 14:447 (11 November 2015)

From the results, it was evident that larval stages of An. coluzzii have tolerance to high levels of salinity and organic pollution in breeding habitats.

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Stress dependent infection cost of the human malaria agent Plasmodium falciparum on its natural vector Anopheles coluzzii

May 13, 2014 - 18:02 -- Open Access
Author(s): 
I. Sangare, R. Dabire, B. Yameogo, D.F. Da, Y. Michalakis, A. Cohuet
Reference: 
Infection, Genetics and Evolution, Volume 25, July 2014, Pages 57-65

We investigated in the laboratory the effects of exposition to and infection by field isolates of Plasmodium falciparum on fecundity and survival of a major vector in the field, Anopheles coluzzii under different conditions of access to sugar resources after blood feeding.

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