Seasonal fluctuations of phlebotomine sand fly populations (Diptera: Psychodidae) in the urban area of Marrakech, Morocco

被引:61
作者
Boussaa, S
Guernaoui, S
Pesson, B
Boumezzough, A
机构
[1] Univ Louis Pasteur Strasbourg 1, Parasitol Lab, Fac Pharm, F-67401 Illkirch Graffenstaden, France
[2] Univ Cadi Ayyad, Lab Ecol Anim Terr, Fac Sci Semlalia, Marrakech, Morocco
[3] IRD, Bondy, France
关键词
phlebotomine sand flies; seasonality; Phlebotomus papatasi; risk period; arid area; Morocco;
D O I
10.1016/j.actatropica.2005.05.002
中图分类号
R38 [医学寄生虫学]; Q [生物科学];
学科分类号
07 ; 0710 ; 09 ; 100103 ;
摘要
Phlebotomine sand flies (Diptera: Psychodidae) were collected continuously, using sticky traps, during I year from October 2002 to September 2003, in an urban area of Marrakech city (Morocco). A total of 3277 specimens were collected belonging to five species. Phlebotomus (Phlebotomus) papatasi (54.6%) is the predominant species followed by Sergentomyia (Sergentomyia) minuta (20%), S. (S.) fallax (11.3%), P. (Paraphlebotomus) sergenti (10.3%) and P. (Larroussius) longicuspis (3.8%). Data analyses showed a mono-modal annual pattern for P. sergenti and a bi-modal one for the other species. P. papatasi, the proven vector of Leishmania major in Morocco, was active throughout the year. This species did not diapause in this region. P papatasi population peaked in June and November, which relating to the periods of risk in this area. Its preferred temperature ranged between 32 and 36 degrees C but no significant correlation was found between its density and the temperature. Considering the high density and long activity period of P. papatasi, the area of Marrakech should be regarded as a potential focus for L. major. This suggests the need for a continuously surveillance to prevent risk of zoonotic cutaneous leishmaniasis. (C) 2005 Elsevier B.V. All rights reserved.
引用
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页码:86 / 91
页数:6
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