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Seasonal distribution of chigger mites in the Kanghwa Island and Yongjong Island
I Y Lee,*1S S Yoon,2 and H I Ree1
1Department of Parasitology, College of Medicine, Yonsei University, Seoul 120-752, Korea.
Received October 14, 1993; Accepted November 09, 1993.
Abstract
Seasonal distribution of chigger mites in the Kangwha Island and Yongjong Island was studied during the period of October 1992-August 1993. From 42 field rodents collected, 1,290 chiggers were obtained and 8 species of 4 genera were identified. In the Kanghwa Island, Leptotrombidium pallidum was the predominant species through all seasons with the percentage of 93.0%. Whereas, in the Yongjong Island, L. palpale was the predominant species with the percentage of 38.4% and L. pallidum was not found.
Figures
Fig. 1 Localities of the field rodents collections. I: Namsan-ri, Kanghwa-eub, Kanghwa-gun, Kyonggi-do (Kanghwa Island). II: Chungsan-3-dong, Chung-gu, Inchon city (Yongjong Island).
Tables
Table 1 Number of chigger mites collected from the field rodents in 1992-1993
Table 2 Tesults of the chigger mites collections during the of October 1992-August 1993
Table 3 Seasonal prevalence of the chigger mites infested on the field rodents in Kanghwa Island (Mean number of chiggers per mouse).
Table 4 Seasonal prevalence of the chigger mites infested on the field rodents in Yongjong Island (Mean number of chiggers per mouse).
References
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Traub R, Wisseman CL Jr. The ecology of chigger-borne rickettsiosis (scrub typhus). J Med Entomol 1974;11(3):237–303.
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