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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
ISSN : 2287-545X(Online)
털진드기 유충에 대한 유칼립투스 오일의 기피 및 살비활성
초록
Repellent and Acaricidal Activities against Leptotrombidium pallidum Larvae of Eucalyptus Oil
Abstract
Repellent and acaricidal activities of eucalyptus oil, permethrin, and DEET against Leptotrombidium pallidum larvae, which are a vector transmitting tsutsugamushi disease, were evaluated under laboratory conditions using a filter paper impregnated method. The LD₅₀ values of eucalyptus oil and DEET were 0.025 and 0.018 ㎎/㎠, respectively while that of permethrin was higher than 0.2 ㎎/㎠. In the repellency test of these materials at 6.14 ㎎/㎠, eucalyptus oil gave complete repellency, and the larvae crossed the treated zone killed. But permethrin showed 60% repellency at 9.20 ㎎/㎠ and the mites croosed the zone were not killed. The percent repellency of DEET at 0.53 ㎎/㎠ was 8.3 and 2.8 times higher than that of permethrin and eucalyptus oil, respectively. The acaricidal activities of emulsifiable concentrates-pump sprayers containing the eucalyptus oil as an active ingredient were assayed. The emulsifiable concentrates containing 1% and 3% eucalyptus oil showed weak mortality at 1 hour after treatment, while all ones containing more than 6% oil produced 100% activity against L. pallidum larvae. The mortality also increased as exposure time to the concentrates increase. These results suggest that the potential of eucalyptus oil highly expected to be used as a control or repellent agent against L. pallidum larvae may be very high.
Tsutsugamushi disease, Leptotrombidium pallidum, Repellency, Acaricidal activity, Eucalyptus oil, 쯔쯔가무시병, 털진드기, 기피력, 살비력, 유칼립투스 정유
Reference
Vol. 40 No. 4 (2022.12)
Frequency Quarterly
Doi Prefix 10.5656/KSAE
Year of Launching 1962
Publisher Korean Society of Applied Entomology
Online Submission
submission.entomology2.or.kr
KSAE
The Korean Society of Applied Entomology
