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恙螨除证实传布恙虫病外,并从某些螨种体内分离出鼠型斑疹伤寒立克次体,Q热立克次体及弓浆虫(1950,1952,1954)。而且某些螨种已被认为是流行性出血热的可疑媒介。兼于恙螨与疾病的密切关系,研究恙螨对宿主的刺吸及组织病变对探讨恙螨的传染病机理具有一定意义。本文重点观察了条纹恙螨刺吸鼠体产生的皮肤病变,并对五种恙螨刺吸时形体的“茎口”进行了比较,对其作用和形成进行了讨论。
Chigger mites, in addition to confirming the dissemination of scrub typhus, isolated rickettsia rickettsiae, Q rickettsia and Toxoplasma gondii from some species of mites (1950, 1952, 1954). And some mites species have been considered suspicious vectors for epidemic hemorrhagic fever. Both chigger mites and the close relationship between the disease, the study of chigger mites host suction and histopathological study on the chigger mite infectious disease mechanism has a certain significance. In this paper, we observed the skin lesions caused by striped chigger mites sucking rats and compared the “stems” of the five chigger mites when sucking them, and discussed their roles and formation.