恙虫及名恙螨,是恙虫病的传播媒介。恙虫种类很多,我国已发现百余种,其中只有少数能传病。当部队进入新地区时,恙虫种类的调查,是借以了解当地有无恙虫病疫源地的重要线索;结合媒介恙虫生活习性的调查,还可用以阐明恙虫病的流行特点,为防治工作提供依据。本文就恙虫的鉴别方法作一简略的介绍。恙虫一生中仅幼虫能传病,而且它寄生于动物体外,较易采集到,故通常恙虫的分类系以幼虫为准。一、一般形态:(图1)恙虫幼虫甚小,肉眼刚同能见到。体色桔红、淡黄或乳白,因种而异。体卵圆形,长约0.3～0.6 Tsutsugamushi and chigger mites, is a vector of scrub typhus. Many types of tsutsugamushi, China has found more than 100 species, of which only a few can be transmitted. When the troops entered the new area, the investigation of the species of tsutsugamushi was an important clue in order to know whether there was any epidemic area of ​​tsutsugamushi disease. Based on the investigation of the living habits of tsutsugamushi, it could also be used to clarify the epidemic characteristics of tsutsugamushi disease and provide the basis for prevention and control work . This article on the identification of tsutsugamushi make a brief introduction. Rhesus tsutsugamushi only larvae in life can be disease-borne, and it parasites in animals outside the body, easier to collect, it is usually the classification of tsutsugamushi larvae prevail. First, the general form: (Figure 1) Small tsutsugamushi larvae, the naked eye just to see. Body color orange, yellow or white, vary by species. Oval body, about 0.3 ~ 0.6