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Wang S.-Q.,U.S. Center for Disease Control and Prevention | Li Y.-C.,U.S. Center for Disease Control and Prevention | Zhang Z.-M.,U.S. Center for Disease Control and Prevention | Wang G.-Z.,U.S. Center for Disease Control and Prevention | And 3 more authors.
Malaria Journal | Year: 2014

Background: Historically, the incidence of malaria in the Hainan Province, China has been high. However, since 2001 the malaria incidence in Hainan has decreased due to large-scale, public educational, promotional campaigns and the adoption of preventative measures against malaria following the fast growth of socio-economic development. The present study analysed the correlation between prevention measures and social economic development on the incidence of malaria in Hainan from 2001 to 2013. Methods: The data of malaria preventative measures and socio-economic development were collected from various cities and counties in Hainan Province from 2001 to 2013 and analysed by the grey correlation analysis system. Results: Seasonal preventive medication and local fiscal revenue increases are significantly related to the reduction of malaria incidence from 2001 to 2013 (R1 = 0.751677; R5 = 0.764795). Conclusion: Malaria prevention and control measures and local economic development in Hainan decreased malaria incidence from 2001 to 2013. © 2014 Wang et al.; licensee BioMed Central Ltd. Source


Qualls W.A.,University of Miami | Xue R.D.,Anastasia Mosquito Control District | Beier J.C.,University of Miami | Muller G.C.,Hebrew University of Jerusalem
Parasitology Research | Year: 2013

The international trade of lucky bamboo (Dracaena sanderiana [Asparagaceae]) is responsible for certain introductions of the exotic species Aedes albopictus (Skuse) in California and the Netherlands. Understanding the association of this species with lucky bamboo and other ornamental plants is important from a public health standpoint. The aim of this study was to investigate the importance of indoor ornamental plants as sugar sources for adult A. albopictus. If exposed to D. sanderiana, bromeliad (Guzmania spp. hybrid [Bromeliaceae]), Moses-in-the-cradle (Rhoeo spathacea [Commelinaceae]), 10 % sucrose solution, and a negative water control as the only nutrient source, adult female A. albopictus mean survival time was 12, 7, 6, 15, and 4 days, respectively. Mean survival times for adult males were not significantly different (P > 0.05) from the females and were 10, 7, 6, 14, and 3 days, respectively. Combined male and female survival times were not significantly different on lucky bamboo compared to survival times on a 10 % sucrose control. Based on our findings, A. albopictus can readily survive long enough to complete a gonotrophic cycle and potentially complete the extrinsic incubation period for many arboviruses when only provided access to lucky bamboo plants or possibly other common ornamentals. Vector control professionals should be aware of potential in-home infestations and public health concerns associated with mosquito breeding and plant tissue feeding on ornamental plants. © 2013 Springer-Verlag Berlin Heidelberg. Source


Muller G.C.,Hebrew University of Jerusalem | Xue R.-D.,Anastasia Mosquito Control District | Schlein Y.,Hebrew University of Jerusalem
Acta Tropica | Year: 2010

The sugar feeding of Aedes albopictus was studied. In outdoor cages they fed avidly on carob (Ceratonia siliqua L., Caesalpiniaceae) seed pods soiled with sugary exudates. Feeding was either from the surface or by piercing the tissue which is indicated by the presence of plant tissue residues in the gut. More than 90% were sugar positive and about a third had plant tissue residues in the gut after overnight exposure. Similar exposure to clean undamaged seed pods resulted in about two thirds sugar positive mosquitoes and all of these had plant-tissue residues in the gut.In an irrigated, field site, with abundance of sugar sources in the summer 68% of the females and 75% of the males were sugar positive whereas, 1.2% of the females and no males had plant tissue in the gut. The proportion of sugar positive mosquitoes was similar in the autumn and plant tissue was not found in 150 females and 13 males. In the dry site in the summer 42% females and 33% males were sugar positive while 22% females and 33% males contained plant tissue. In the autumn 73% females and 80% males were sugar positive while 2% females and none of the males contained plant tissue. © 2010 Elsevier B.V. Source


Brown J.R.,Paint Rock River Consulting | Xue R.-D.,Anastasia Mosquito Control District
Journal of the American Mosquito Control Association | Year: 2011

Two permethrin formulations, AquaReslin® and AquaKontrol®, were applied by ultra-low volume truck-mounted sprayers on test plots under appropriate meteorological condition at Jacksonville, FL. The method of application was followed from the product label. The application rate for each formulation was 0.79 g permethrin per acre. AquaReslin and AquaKontrol demonstrated similar results against Anopheles quadrimaculatus; the former was superior to the latter used against Aedes aegypti, and Ae. albopictus. Teflon®-coated standard glass slides were used to collect the aerosol components. Volume median-diameter droplets per square centimeter varied with pesticides and distance from spray source, and the mortality of the 3 species at 18 h ranged from 61.3% to 91.7%. © 2011 by The American Mosquito Control Association, Inc. Source


Muller G.C.,Hebrew University of Jerusalem | Xue R.-D.,Anastasia Mosquito Control District | Schlein Y.,Hebrew University of Jerusalem
Acta Tropica | Year: 2011

Sugar is the main source of energy for the activities of mosquitoes; however, information on the vital sugar feeding of Aedes albopictus in the field is scanty and often anecdotal. Using glue traps and baits, we evaluated the attraction of Ae. albopictus to 28 different, potential sugar sources. Control traps were baited with either sugar-water solution or water alone, and since there was no significant difference between these controls, the water control was used as the standard for comparison. The total catch amounted to 1347 females and 1127 males. An attraction index (mean number of mosquitoes attracted to the baits/mean number of mosquitoes attracted to the control) was used to compare the relative attraction of the baits. The attraction index of significantly attractive baits ranged from 2.5 to 50.0 and the index of others ranged from 0.50 to 2.75. None of the baits were repellent. Significantly high attraction was observed for four of six ornamental flowers (Tamarix chinensis, Vitex agnus-castus, Polygonum baldchuanicum, Buddleja davidii), four of eleven wild flowers (Prosopis farcta, Ziziphus spina-christi, Polygonum equisetiforme, Ceratonia siliqua), the only tested seed pod when damaged and fermenting (C. siliqua), and all five of the tested fruits: Opuntia ficus indica (sabra), Ficus carica (fig), Punica granatum (pomegranate, damaged), Eriobotyra japonica (loquat), and Rubus sanctus (raspberry). Unlike damaged, fermenting carob seed pods and pomegranates, the fresh fruits were not attractive. Attraction to foliage soiled with honeydew excretion of three different aphid species was also not significant. The potential to use attractive sugar sources for mosquito control is discussed. © 2011 Elsevier B.V. Source

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