Silva Francinaldo S, Carvalho Luis P C de, Cardozo Francisco P, Moraes Jorge L P, Rebêlo José M M
Depto de Biologia, Centro de Ciências Agrárias e Ambientais, Univ Federal do Maranhão, Chapadinha, MA, Brasil.
Neotrop Entomol. 2010 Nov-Dec;39(6):1032-8. doi: 10.1590/s1519-566x2010000600028.
The present paper aims to increase the knowledge on the sand fly fauna in the cerrado areas of Maranhão state in urban, rural and forest environments. The research was carried out from October 2007 to September 2008, between 18:00h and 06:00h, in the municipality of Chapadinha, northeast Maranhão. For insect sampling, CDC light traps were set up in peridomicile and domicile areas of urban and rural zones as well as in Cerrado and Gallery forests. The total of 1,401 specimens belonging to 17 species were sampled, all within the genus Lutzomyia. Lutzomyia longipalpis (Lutz & Neiva) (52.5%), Lu. evandroi (Costa Lima & Antunes) (18.3%), Lu. whitmani (Antunes & Coutinho) (12.1%), Lu. lenti (Mangabeira) (4.7%) and Lu. termitophila (Martins, Falcão & Silva) (4.0%) were the most frequently collected. From an epidemiological viewpoint, five from all of the collected species are vectors of leishmaniasis: Lu. longipalpis, Lu. whitmani, Lu. flaviscutellata (Mangabeira), Lu. gomezi (Nitzulescu) and Lu. chagasi (Costa Lima). Lutzomyia chagasi was registered for the first time in Maranhão state and Lu. saulensis (Floch & Abonnenc), Lu. monstruosa (Floch & Abonnenc) and Lu. gomezi were found for the first time in the eastern part of the state, since they had been reported only in the Amazonian region of Maranhão. Regarding to the studied environments, the urban chicken house had the highest number of specimens collected (801), while the Gallery Forest was the most diverse (15 species). This study demonstrates that the northeast cerrado exhibits a mixed sand fly fauna characterized by an extremely important species vectors assortment involved in the epidemiological cycle of leishmaniasis in Maranhão state.
本文旨在增进对马拉尼昂州塞拉多地区城市、农村和森林环境中白蛉动物群的了解。研究于2007年10月至2008年9月期间，每天18:00至06:00在马拉尼昂州东北部的查帕迪尼亚市进行。为采集昆虫样本，在城市和农村地区的住宅周围和住宅区内以及塞拉多和廊道森林中设置了疾控中心诱蚊灯。共采集到1401只标本，分属于17个物种，均为罗蛉属。长须罗蛉（Lutzomyia longipalpis）（Lutz & Neiva）（52.5%）、埃氏罗蛉（Lu. evandroi）（Costa Lima & Antunes）（18.3%）、惠特曼罗蛉（Lu. whitmani）（Antunes & Coutinho）（12.1%）、伦氏罗蛉（Lu. lenti）（Mangabeira）（4.7%）和嗜白蚁罗蛉（Lu. termitophila）（Martins, Falcão & Silva）（4.0%）是最常采集到的。从流行病学角度来看，所有采集到的物种中有5种是利什曼病的传播媒介：长须罗蛉、惠特曼罗蛉、黄盾罗蛉（Lu. flaviscutellata）（Mangabeira）、戈氏罗蛉（Lu. gomezi）（Nitzulescu）和沙加斯罗蛉（Lu. chagasi）（Costa Lima）。沙加斯罗蛉首次在马拉尼昂州被记录，而索尔恩斯罗蛉（Lu. saulensis）（Floch & Abonnenc）、奇异罗蛉（Lu. monstruosa）（Floch & Abonnenc）和戈氏罗蛉首次在该州东部被发现，因为此前它们仅在马拉尼昂州的亚马逊地区有报道。关于所研究的环境，城市鸡舍采集到的标本数量最多（801只），而廊道森林的物种最为多样（15种）。这项研究表明，东北部塞拉多地区呈现出一种混合的白蛉动物群，其特征是在马拉尼昂州利什曼病流行病学循环中涉及一系列极其重要的传病媒介物种。
