Control of sand flies with attractive toxic sugar baits (ATSB) and potential impact on non-target organisms in Morocco

Particle and Fibre Toxicology

John C Beier²  Daniel L Kline¹  Axel Hausmann⁵  Yosef Schlein³  Rui-De Xue⁶  Kristopher L Arheart²  Vasiliy D Kravchenko⁷  Elyes Zhioua⁹  Edita E Revay⁴  Khalid Khallaayoune⁸  Gunter C Müller³  Whitney A Qualls² 

[1] United States Department of Agriculture-ARS-Center for Medical, Agricultural, and Veterinary Entomology, Gainesville, FL, USA;Department of Public Health Sciences, University of Miami Miller School of Medicine, Miami 33136, FL, USA;Department of Microbiology and Molecular Genetics, Kuvin Centre for the Study of Infectious and Tropical Diseases, Faculty of Medicine, Hebrew University, Jerusalem 91120, Israel;Department of Anatomy and Cell Biology, Bruce Rappaport Faculty of Medicine Technion,, Haifa, 34995, Israel;SNSB-Zoologische Staatssammlung Munchen, Munchhausenstrasse 21, Muunchen, Germany;Anastasia Mosquito Control District, 500 Old Beach Road, St. Augustine, FL 32080, U.S.A;Department of Zoology, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 69978, Israel;Department of Parasitology, Institut Agronomique et Vétérinaire Hassan II, Rabat-Instituts, B.P. 6202, Morocco;Laboratory of Vector Ecology, Pasteur Institute of Tunis, 13 Place Pasteur BP 74, 1002, Tunis, Tunisia

关键词: Environmental impact;    Vector-borne diseases;    Vector control;    Leishmaniasis;    Integrated vector management;   

Others  :  1147043
DOI  :  10.1186/s13071-015-0671-2

 received in 2014-11-05, accepted in 2015-01-18,  发布年份 2015

【 摘 要 】

Background

The persistence and geographical expansion of leishmaniasis is a major public health problem that requires the development of effective integrated vector management strategies for sand fly control. Moreover, these strategies must be economically and environmentally sustainable approaches that can be modified based on the current knowledge of sand fly vector behavior. The efficacy of using attractive toxic sugar baits (ATSB) for sand fly control and the potential impacts of ATSB on non-target organisms in Morocco was investigated.

Methods

Sand fly field experiments were conducted in an agricultural area along the flood plain of the Ourika River. Six study sites (600 m x 600 m); three with “sugar rich” (with cactus hedges bearing countless ripe fruits) environments and three with “sugar poor” (green vegetation only suitable for plant tissue feeding) environments were selected to evaluate ATSB, containing the toxin, dinotefuran. ATSB applications were made either with bait stations or sprayed on non-flowering vegetation. Control sites were established in both sugar rich and sugar poor environments. Field studies evaluating feeding on vegetation treated with attractive (non-toxic) sugar baits (ASB) by non-target arthropods were conducted at both sites with red stained ASB applied to non-flowering vegetation, flowering vegetation, or on bait stations.

Results

At both the sites, a single application of ATSB either applied to vegetation or bait stations significantly reduced densities of both female and male sand flies (Phlebotomus papatasi and P. sergenti) for the five-week trial period. Sand fly populations were reduced by 82.8% and 76.9% at sugar poor sites having ATSB applied to vegetation or presented as a bait station, respectively and by 78.7% and 83.2%, respectively at sugar rich sites. The potential impact of ATSB on non-targets, if applied on green non-flowering vegetation and bait stations, was low for all non-target groups as only 1% and 0.7% were stained with non-toxic bait respectively when monitored after 24 hours.

Conclusions

The results of this field study demonstrate ATSB effectively controls both female and male sand flies regardless of competing sugar sources. Furthermore, ATSB applied to foliar vegetation and on bait stations has low non-target impact.

【 授权许可】

   
2015 Qualls et al.; licensee BioMed Central.

【 图 表 】

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