BACKGROUND The Long-lasing insecticide impregnated nets (LLINs) is considered as an effective tools for malaria vector control. The aim of this study was to evaluate the residual efficacy of alpha-cypermethrin long lasting impregnated nets (LLIN-Interceptor(®)) against Anopheles stephensi using tunnel test. METHODS The wash-resistance of Interceptor(®) nets were assessed under laboratory cond...

Anopheles stephensi, a major vector for malaria parasite transmission, responds to Plasmodium infection by synthesis of inflammatory levels of nitric oxide (NO), which can limit parasite development in the midgut. We have previously shown that Plasmodium falciparum glycosylphosphatidylinositols (PfGPIs) can induce A. stephensi NO synthase (AsNOS) expression in the midgut epithelium in vivo in a...

A study was done to test whether toxic plants that occur naturally in the diet affect thermoregulation in mammalian herbivores. The woodrats Neotoma albigula and Neotoma stephensi both consume juniper (Juniperus monosperma), a plant with high levels of toxic compounds. Body temperature (Tb), basal metabolic rate (BMR), and the minimum cost of thermogenesis (Cmin) were measured for both species ...

Lawrence T. Dauer, PhD, Donald L. Miller, MD, Beth Schueler, PhD, James Silberzweig, MD, Stephen Balter, PhD, Gabriel Bartal, MD, Charles Chambers, MD, Jeremy D. Collins, MD, John Damilakis, PhD, Robert G. Dixon, MD, M. Victoria Marx, MD, Michael S. Stecker, MD, Eliseo Vañó, PhD, Aradhana M. Venkatesan, MD, and Boris Nikolic, MD, MBA, for the Society of Interventional Radiology Safety and Healt...

Flindersine, an alkaloid isolated from Toddalia asiatica, was evaluated for their antifeedant, larvicidal and growth inhibitory activities against Helicoverpa armigera, Spodoptera litura and larvicidal activity against vector mosquitoes Anopheles stephensi and Culex quinquefasciatus. For this, leaf disc no choice method was used for agricultural pests; larvicidal activity was tested on second a...

b a ckground : malaria still remains a public health problem in iran. there are different vector control interventions such as insecticide spraying. the present study was carried out to determine the susceptibility status of anopheles stephensi larvae to temephos as a national plan for monitoring and mapping of insecticide resistance m e t hods : eight different localities in two main malarious...

background: anopheles mosquitoes are an important group of arthropods due to their role in transmission of ma­laria. the present study was conducted for determination of susceptibility status of anopheles stephensi to different imagicides collected from malarious area in chabahar city, iran. methods: in the present study seven insecticides including: ddt 4%, lambdacyhalothrin 0.05%, deltamethri...

Food utilization by the larvae of Toxorhynchites splendens (Wiedemann) was studied in the laboratory by offering larvae of Aedes aegypti Linnaeus, Anopheles stephensi (Liston), and Culex quinquefasciatus (Say). Quantitative analyses of data indicated that immature development was significantly faster with increase in food availability. The regression analysis showed that the degrees of the rela...

      Tagetes minuta L. is considered as an annual plant growing in the temperate zones of South America. It has been used as carminative, anti-inflammatory, anti-abortion,vermifuge, bronchodilator and hypotensive. In the current study the locally cultured plant of Tagetes minuta L. was studied for phytochemical and larvicidal properties.The phytochemical analysis of aerial pa...