Objective To understand the taxonomic and evolutionary affinities of Trombiculid mites in different genera on the basis of comparing numerical taxonomy with classical taxonomy(morphological taxonomy).

In this paper, a new species of trombiculid mite, Walchia(Walchia) neeshini Wang et Xia,sp.

Study of chigger communities on small mammals in Yunnan Province,China;

Study of Chigger Communities on Major Species of Rodents in Yunnan Province;

A reverse transcription polymerase chain reaction (RT PCR) and nested RT PCR were adopted for detection of HFRSV in chigger mite and mouse lung.

Results Chigger mites play a key role to the prevalence of scrub typhus and their species distributing,population density and seasonal fluctuation are related on the prevalence of scrub typhus.

Methods Chigger mites on bodies of rats or other wild animals were collected and identified from Shandong province of China.

Objective To establish cell culture method of the gamasid mites in order to study on the gamasid mites and chigger mites as the vectors of HFRS at the cell molecular level.

Study on Chigger mite communities on small mammals in the surrounding areas of north Jinsha River in Yunnan;

Studies on the similarity and classification of chigger mite communties on small mammals in the surrounding areas of Erhai Lake in Dali of Yunnan,China;

Study on Detection of HFRSV-RNA in Gamasid mite and Chigger mite by RT-PCR;