Mesures des indicateurs de prolifération des larves de moustiques au niveau des mares permanentes et semi permanentes de Saga, Niger

Iro, Souleymane Mahamane; Seydou, Yaro Alpha; Doumma, Ali

doi:10.4314/ijbcs.v14i4.3

Cited by 5 publications

(4 citation statements)

References 7 publications

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“…The presence of mosquito species in Reghaia lake is the result of several factors including physicochemical parameters. The temperature, pH, salinity, and dissolved oxygen recorded during the present study are favorable for the development of several species of mosquitoes as mentioned by several authors (El Ouali Lalami et al, 2010;Ibrahim et al, 2011;Marc et al, 2016;Iro et al, 2020).…”

Section: Resultssupporting

confidence: 78%

Eco-biological Study of the Mosquitofish Gambusia affinis from Oubeira lake

dis¹,

Kara

Bouamama

et al. 2022

JAFH

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Gambusia was studied in Oubeira lake in spring 2016. A total of 100 specimens were collected in the lake. The sex ratio was F:M = 5.12: 1. The length-weight relationship was estimated for the population, with Wt = 0.0197Lt2.4451. The condition factor was calculated C=1±0.2 (for population) and a significant difference was observed between males and females. For 100 examined stomachs, the diet mainly consists of algae (N=54.96%, Pi= 166%, O=91%), followed by the mosquito larvae (N=21.52%, Pi= 65%, O=49%), detritus (N=19.2%, Pi= 58%, O=46%) and arthropods (N=4.3%, Pi= 13%, O=13%). For mosquitoes, two genus were recorded: Culiseta and Culex with 4 species: Culex pipiens, Culex theileri, Culex laticinctus and Culex antennatus. The culture experiments confirmed the important predation on mosquito larvae was observed with feeding intensity for females and males of 86 ± 12.28 % and 92 ± 8 % for the Culex larvae and 91 ± 7 and 93.66 ± 5.68 for the Culiseta larvae, respectively. No significant difference was observed between the sexes or for mosquito larvae. Our data support the idea that the introduction of mosquitofish has both negative and positive effects since this fish feeds on the most abundant food and not only on mosquitoes.

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Section: Resultssupporting

confidence: 78%

Eco-biological Study of the Mosquitofish Gambusia affinis from Oubeira lake

dis¹,

Kara

Bouamama

et al. 2022

JAFH

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“…pipens present in sites with high conductivity and low levels of dissolved oxygen. 47 Culiseta longiareolata was observed to grow in different types of environments. 40,48 In the present study, it was observed to be dominant in permanent and shallow breeding sites.…”

Section: Resultsmentioning

confidence: 99%

Biotypology of Culicidian Species in the Region of Fez, Central Morocco Using the Statistical Analytical Methods

2024

TJNPR

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Controlling mosquitoes responsible for discomfort and serious contagious diseases, such as malaria, requires a better understanding of the vector-environment relationship. Therefore, the present study examined the biotypology of Culicidian species in the Fez Region, Central Morocco, using statistical analytical methods. Entomological investigations and measurements of the physicochemical parameters of the water breeding sites were carried out simultaneously from November 2015 to December 2016 in the region of Fez, Central Morocco. Multivariate analytical methods, including principal component analysis (PCA) and multiple correspondence analysis (MCA), were used to investigate the correlation between environmental factors and the bioecological characteristics of each species. The identification of 1,531 Culicidae larvae collected from the different breeding sites revealed the presence of 11 species belonging to five genera (Anopheles, Culex, Culiseta, Aedes, and Uranotaenea). The larvae of Anopheles maculipennis (the major malaria vector in Morocco) and the larvae of A. sergentii (the secondary vector), as well as Culex pipiens larvae, were collected among the species at the level of the prospected breeding sites. It was observed that the Shanon-Wiener diversity index (H') values were higher in areas with a high population of species compared to those with a low population of species. The multivariate analytical methods revealed many groups of species depending on many parameters. This research represents an original and rigorous approach to the vector-environment relationship in the Fez Region of Morocco. It has important implications for the control of mosquito vectors and the prevention of vector-borne diseases, thereby contributing to public health in the region.

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“…Larval surveys conducted during this study showed a high diversity of larval breeding sites colonized by Aedes aegypti larvae. The majority of these were created by man (Iro et al, 2020) because of his activities as observed by Tia et al (2016) and Koumba et al (2018). Thus, the classification of the larval sites inventoried made it possible to observe that the breeding places of mosquitoes of the genus Aedes and especially Aedes aegypti in households in Abidjan were made up of water storage containers and abandoned containers.…”

Section: Discussionmentioning

confidence: 99%

Household water storage containers: Aedes aegypti larval breeding site and high risk of transmission of arboviruses in Abidjan, Côte d'Ivoire

Diakaridia¹,

Konan²,

Koné³

et al. 2022

Int. J. Bio. Chem. Sci

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Dengue 3 epidemic was declared in Abidjan in 2018. Vector control was directed towards management of breeding sites to reduce proliferation of mosquitoes. Thus, characterization was carried out through larval prospecting in 100 households in six communes of Abidjan in February and August (large and small dry season) of 2018, before and after mosquito control. 3,809 larval breeding sites were inventoried, including 2,289 before and 1,520 after (p-value > 0.05). 76% of sites (2,909), consisted of water storage (1,380) and abandoned containers (1,529). These two categories were most abundant in households (p-value <0.0001). Greatest number of storage containers were observed in Attécoubé (n = 312) and Abobo (n = 296). Abandoned containers were abundant in Port-Bouet (n = 416). Number of abandoned containers was reduced from 1,016 before to 513 after operation (p-value < 0.01). However, water storage containers have increased slightly. It went from 686 before operation to 694 after. Positive storage containers (255) were also the most numerous (53%). Their proportions were 151 (41%) and 104 (55%) before and after mosquito control. They were very productive in Aedes aegypti. Household water storage containers could lead to reconstitution, maintenance of mosquitoes and increased risk of arboviruses spread in Abidjan.

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Mesures des indicateurs de prolifération des larves de moustiques au niveau des mares permanentes et semi permanentes de Saga, Niger

Cited by 5 publications

References 7 publications

Eco-biological Study of the Mosquitofish Gambusia affinis from Oubeira lake

Eco-biological Study of the Mosquitofish Gambusia affinis from Oubeira lake

Biotypology of Culicidian Species in the Region of Fez, Central Morocco Using the Statistical Analytical Methods

Household water storage containers: Aedes aegypti larval breeding site and high risk of transmission of arboviruses in Abidjan, Côte d'Ivoire

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