نتایج جستجو برای: anopheles stephensi larvae

تعداد نتایج: 39450  

Journal: :World Journal Of Advanced Research and Reviews 2022

Mosquito-borne diseases are illnesses caused by the transmission of viruses, parasites, and protozoa to humans mosquito vectors. Mosquitoes spread various diseases, including, dengue fever, malaria, chikungunya, West Nile Zika yellow fever. Bacterial DNA cellular proteins were shown help produce AgNPs, with bacterial acting as a stabilising agent both reducing agent. As result, lysate, which co...

2009
L Tajedin J Hashemi MR Abaei L Hosseinpour F Rafei HR Basseri

BACKGROUND Many microorganisms in midgut of mosquito challenge with their host and also other pathogens present in midgut. The aim of this study was presence of non-pathogens microorganisms like fungal flora which may be crucial on interaction between vectors and pathogens. METHODS Different populations of Anopheles stephensi were reared in insectary and objected to determine fungal flora in ...

ژورنال: Hormozgan Medical Journal 2011
Azizi, K, Hasanvand, B, Khodadadi, M, Poodat, A, Soltani, A, Yaran, M,

Introduction: Malaria is still an important health problem in southern Iran. Anopheles stephensi is one of the most important vectors of malaria, especially in urban areas. Because of long time of chemical insecticides against vectors in endemic areas and their potential resistance to such chemicals, it is necessary that vectors continuously to be assessed against susceptibility level. We...

Journal: :Bioresource technology 2006
Sengottayan Senthil Nathan G Savitha Dency K George Alagirisamy Narmadha Laxmanan Suganya Paul Gene Chung

Methanolic extracts of leaves and seeds from the chinaberry tree, Melia azedarach L. (Meliaceae) was tested against mature and immature mosquito vector Anopheles stephensi Liston (Diptera) under laboratory condition. The extract showed strong larvicidal, pupicidal, adulticidal, antiovipositional activity, repellency and biting deterency. The M. azedarach seed and leaf extracts were used to dete...

Journal: :journal of arthropod-borne diseases 0
a soltani department of medical entomology and vector control, school of public health and institute of health research, tehran university of medical sciences, iran h vatandoost department of medical entomology and vector control, school of public health and institute of health research, tehran university of medical sciences, iran h jabbari research center for environmental health, tehran, iran ar mesdaghinia department of medical entomology and vector control, school of public health and institute of health research, tehran university of medical sciences, iran ah mahvi department of medical entomology and vector control, school of public health and institute of health research, tehran university of medical sciences, iran m younesian department of medical entomology and vector control, school of public health and institute of health research, tehran university of medical sciences, iran

background: mosquitoes transmit several diseases to human. there are several measures for control of larvae. as part of integrated vector management (ivm) program, the utility of floating layers of polystyrene beads (eps) is a po­ten­tial alternative in habitats of mosquito larva. eps beads prevent oviposition of mosquito as well as killing the im­ma­ture stages by forming a tick layer on the w...

Journal: :Journal of the American Mosquito Control Association 1996
R Manasherob E Ben-Dov J Margalit A Zaritsky Z Barak

Toxicity of Bacillus thuringiensis var israelensis (B.t.i.) against surface-feeding mosquito larvae of Anopheles stephensi was enhanced by encapsulation in the protozoan Tetrahymena pyriformis. In the laboratory, larvae died about 8 times faster when exposed to protozoan cells filled with B.t.i. than when exposed to the same concentrations of B.t.i. alone. Best larvicidal activities were achiev...

Journal: :The Indian journal of medical research 2009
K Gunasekaran T Vijayakumar M Kalyanasundaram

BACKGROUND & OBJECTIVE Vector control, using agents of chemical origin, continues to be practiced in the control of vector borne diseases. However, due to some drawbacks including lack of selectivity, environmental contamination, and emergence and spread of vector resistance, development of natural products for vector control has been a priority in this area. In the present study we evaluated t...

صادقی, سید محمد تقی, کاظمی, سید موسی, آخوند ی, محمد , ابوالحسنی, ماندانا, باصری, حمید رضا , عبایی, محمد رضا , عدالت, حمیده,

Background and Aim: Determination of the age of vector mosquitoes is of particular importance in epidemiological studies of diseases transmitted by them, such as viral and parasitic diseases. The objective of this study was to determine the daily age of Anopheles stephensi based on changes in pteridine concentration in female mosquito cuticles by liquid chromatography (HPLC). Methods and Materi...

2013
Sascha Naomi McKeon Marta Moreno Maria Anise Sallum Marinete Marins Povoa Jan Evelyn Conn

To evaluate whether environmental heterogeneity contributes to the genetic heterogeneity in Anopheles triannulatus, larval habitat characteristics across the Brazilian states of Roraima and Pará and genetic sequences were examined. A comparison with Anopheles goeldii was utilised to determine whether high genetic diversity was unique to An. triannulatus. Student t test and analysis of variance ...

Journal: :journal of arthropod-borne diseases 0
l tajedin department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran j hashemi department of medical parasitology, section of mycology, school of public health, tehran university of medical sciences, tehran, iran mr abaei department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran l hosseinpour department of medical parasitology, section of mycology, school of public health, tehran university of medical sciences, tehran, iran f rafei department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran hr basseri department of medical entomology and vector control, school of public health, tehran university of medical sciences, tehran, iran

background: many microorganisms in midgut of mosquito challenge with their host and also other pathogens pre­sent in midgut. the aim of this study was presence of non-pathogens microorganisms like fungal flora which may be cru­cial on interaction between vectors and pathogens. } methods: different populations of anopheles stephensi were reared in insectary and objected to determine fungal flora...

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