Vapour pressure of permethrin

Wells, David; Grayson, Ben; Langner, Eric

doi:10.1002/ps.2780170503

Cited by 13 publications

(6 citation statements)

References 2 publications

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“…2003) and in particular of malaria. In most studies, the insecticides used were synthetic pyrethroids (permethrin, deltamethrin, lambda‐cyhalothrin), which combine the properties of low to moderate mammalian toxicity (Wells et al. 1986; Curtis 1991; Zaim et al.…”

Section: Resultsmentioning

confidence: 99%

“…Insecticide-treated bednets (ITN) were shown over the past two decades as one of the most effective methods of reducing man-vector contact in intra-and peridomiciliary transmission of vector-borne diseases (Curtis 1991;Curtis et al 2003) and in particular of malaria. In most studies, the insecticides used were synthetic pyrethroids (permethrin, deltamethrin, lambda-cyhalothrin), which combine the properties of low to moderate mammalian toxicity (Wells et al 1986;Curtis 1991;Zaim et al 2000), low volatility and high insecticidal activity.…”

Section: Insecticide-treated Netsmentioning

confidence: 99%

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Vector control by insecticide‐treated nets in the fight against visceral leishmaniasis in the Indian subcontinent, what is the evidence?

Ostyn

Vanlerberghe

Picado

et al. 2008

Tropical Med Int Health

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SummaryVisceral leishmaniasis (VL) is a deadly vector-borne disease that causes an estimated 500 000 new cases a year. In India, Nepal and Bangladesh, VL is caused by Leishmania donovani, which is transmitted from man to man by the sandfly Phlebotomus argentipes. In 2005, these three countries signed a memorandum of understanding to eliminate VL from the region. Integrated vector management is one of the pillars of this elimination strategy, alongside early case detection and treatment. We reviewed the evidence of effectiveness of different vector control methods, to examine the potential role of insecticide treated bednets (ITNs). Indoor residual spraying has shown poor impact for various reasons and resistance to DDT is emerging in Bihar. Environmental management performed poorly compared to insecticide based methods. ITNs could give individual protection but this still needs to be proven in randomized trials. Given the constraints of indoor residual spraying, it is worthwhile to further explore the use of ITNs, in particular long lasting ITNs, as an additional tool in the VL elimination initiative.

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Section: Resultsmentioning

confidence: 99%

Section: Insecticide-treated Netsmentioning

confidence: 99%

Vector control by insecticide‐treated nets in the fight against visceral leishmaniasis in the Indian subcontinent, what is the evidence?

Ostyn

Vanlerberghe

Picado

et al. 2008

Tropical Med Int Health

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“…gambiae as has been shown in some experimental hut trials . The demonstration of a deterrent effect in earlier trials was somewhat unexpected given the low vapor pressure of permethrin (Wells et al 1986), which usually acts as a contact insecticide. Our study indicated that the deterrent effect may be due to early exit of mosquitoes rather than a decreased rate of entry.…”

Section: Discussionmentioning

confidence: 95%

Effect of Permethrin-Impregnated Nets on Exiting Behavior, Blood Feeding Success, and Time of Feeding of Malaria Mosquitoes (Diptera: Culicidae) in Western Kenya

et al. 2001

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The impact of permethrin-treated bednets on the feeding and house entering/exiting behavior of malaria vectors was assessed in two studies in western Kenya. In one study, matched pairs of houses were allocated randomly to receive bednets or no bednets. Exiting mosquitoes were collected in Colombian curtains hung around half of each house; indoor resting mosquitoes were collected by pyrethrum spray catches. The number of Anopheles gambiae Giles and An. arabiensis Patton estimated to have entered the houses was unaffected by the presence of bednets; Anopheles funestus Giles was less likely to enter a house if bednets were present. Anopheles gambiae and An. funestus were less likely to obtain a blood meal and significantly more likely to exit houses when bednets were present. No difference was detected in An. arabiensis rates of blood feeding and exiting. In a second experiment, hourly night biting collections were done on 13 nights during the rainy season to assess whether village-wide use of permethrin-treated bednets caused a shift in the time of biting of malaria vectors. A statistically significant shift was detected in the biting times of An. gambiae s.l., although the observed differences were small. No change was observed in the hourly distribution of An. funestus biting. Our study demonstrated that, at least in the short-term, bednets reduced human-vector contact and blood feeding success but did not lead to changes in the biting times of the malaria vectors in western Kenya.

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“…The use of ITNs is an effective, relatively cheap and sustainable method of malaria control (Curtis et al ., 1990; Lengeler et al ., 1996; Chavasse et al ., 1999). The synthetic pyrethroids used for the treatment of the nets combine the properties of low to moderate mammalian toxicity (Wells et al ., 1986; Zaim et al ., 2000), low volatility and high insecticidal activity. ITNs have also been evaluated against phlebotomine sandflies and leishmaniasis in several countries, including Italy (Maroli & Lane, 1989), Burkina Faso (Majori et al ., 1989), Syria (Tayeh et al ., 1997; Desjeux, 2000), Sudan (Elnaiem et al ., 1999a, 1999b), Kenya (Mutinga et al ., 1992, 1993; Basimike & Mutinga, 1995), Colombia (Alexander et al ., 1995d) and Venezuela (Feliciangeli et al ., 1995; Kroeger et al ., 2002).…”

Section: Review Of Available Sandfly Control Methodsmentioning

confidence: 99%

Control of phlebotomine sandflies

Alexander¹,

Maroli

2003

Medical Vet Entomology

270

225

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Abstract. Phlebotomine sandflies (Diptera: Psychodidae) transmit many zoonotic diseases (arboviruses, bartonelloses and especially leishmaniases) of importance to human health in at least 80 countries. Measures used to control adult sandflies (Lutzomyia and Phlebotomus) include the use of insecticides (mostly pyrethroids) for residual spraying of dwellings and animal shelters, space-spraying, insecticidetreated nets, impregnated dog-collars and personal protection through application of repellents/insecticides to skin or fabrics. Because the breeding-sites of sandflies are generally unknown, control measures that act specifically against immatures are not feasible, although the effectiveness of a few biological and chemical agents has been demonstrated in laboratory evaluations. Reports of insecticide-resistance refer to only three sandfly species (P. papatasi, P. argentipes and S. shorttii) against DDT in one country (India), although there are reports of DDT-tolerance in several countries. Current knowledge of sandfly susceptibility to various insecticides is summarized. Constraints and advantages of different compounds, formulations and delivery methods for sandfly control under different environmental conditions are discussed.

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Vapour pressure of permethrin

Cited by 13 publications

References 2 publications

Vector control by insecticide‐treated nets in the fight against visceral leishmaniasis in the Indian subcontinent, what is the evidence?

Vector control by insecticide‐treated nets in the fight against visceral leishmaniasis in the Indian subcontinent, what is the evidence?

Effect of Permethrin-Impregnated Nets on Exiting Behavior, Blood Feeding Success, and Time of Feeding of Malaria Mosquitoes (Diptera: Culicidae) in Western Kenya

Control of phlebotomine sandflies

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