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꿀벌응애 약제 및 몇가지 천연물의 꿀벌응애 방제 효과에 대한 예비 평가
이명렬(Myeong-Lyeol Lee),이만영(M. Y. Lee),김영수(Y. S. Kim),남성희(S. H. Nam),장승종(S. J. Chang),유철형(C. H. Ryu) 한국양봉학회 2004 韓國養蜂學會誌 Vol.19 No.1
The miticides, essential oils, and organic acid were pre-evaluated on their control efficacies in short term against Varroa mites(Varroa destructor) in two commercial apiaries. Varroa mites in the apiary at Suwon and Chungju were assumed to be resistant(6.7%) or susceptible(83.2%), respectively to fluvalinate. Thymol and formic acid reduced number of mites on the 8th day after treatment. Thymol treatment attracted many robbing bees. The formic acid was effective to reduce the population of mites, efficacy 100% in 8 days and 71.8% 24 hours after treatment. The bromopropyrate fumigant was moderate(66.5%). The other treatments did not decrease the population of bee mites or killed mites below 40%.
시맥 형질과 분자 마커에 의한 국내 서양종 꿀벌(Apis mellifera L.)의 계통 구분
이명렬(Myeong-Lyeol Lee),이만영(Man-Young Lee),최용수(Yong-Soo Choi),김혜경(Hye-Kyung Kim) 한국양봉학회 2015 韓國養蜂學會誌 Vol.30 No.4
It was difficult to discriminate each inbred line of the European honeybees, Apis mellifea L., being kept for breeding program in Korea. The hybrid honeybees supplied by the governmental recommendation also need to be differentiated from other honeybee populations. Nineteen crosspoints of worker bee’s wing vein were observed and measured their main characters by computerassisted image analyzer. The six inbred lines and one triple hybrid were compared on their clouds resulted from principle component analysis by DrawWing software (Tofilski, 2004). The cluster zones from wing vein characters could contribute as the first discriminating tool of honeybee lines in Korea. To apply feasible molecular markers for honeybee lines in Korea, we found out seven micro-satellite markers from which the allele frequencies in each honeybee population could be differentiated.
봄철 수벌 유충 트랩에 의한 꿀벌(Apis mellifera L.) 봉군의 꿀벌응애(Varroa destructor) 방제 효과
이명렬(Myeong-Lyeol Lee),박영미(Young-Mi Park),이병일(Bing-Ri Li) 한국양봉학회 2004 韓國養蜂學會誌 Vol.19 No.2
As one of the alternative control methods of Varroa mites to synthetic pyrethroid chemicals, the drone brood trapping was evaluated. Normal worker comb frames were divided into three parts, then, in the center or both sides of which natural drone cells were constructed and drone larvae were reared as attracting traps of Varroa mites. In the first trial carried out in early June, the numbers of bee mite females entered to the 100 capped drone larvae were 5.7 ± 3.2 in center traps and 8.0 ± 5.6 in sides traps; however, there was only one mite found in 900 worker larvae. From the second trial in late June, the colonies where drone traps were installed in center part of frame attracted 17.0 ± 3.0 mites into drone larvae and 1.7 ± 1.5 mites into worker larvae in normal comb. Bee mites of 8.0 ± 4.0 and 1.0 ± 1.7 were found on drone and worker larvae in sides traps. Drone larvae were 8 to 10 times more attractive to Varroa mites than worker larvae. When the number of mites in worker cells was simply compared, drone trapping colonies showed 21% ~ 36% of the mite density in un-trapped colonies(4.7 ± 4.0 mites). The number of mites monitored from worker larvae in the 40th day after the second trial ranged 4.7 ~ 12.3 in experimental groups, which did not show any significant differences. If the colonies without brood area like swarming or mating colonies can be applied by these drone traps, more reliable effects against bee mites should be expected.
꿀벌(Apis mellifera L.) 교배조합의 질병저항성 평가
이명렬(Myeong-Lyeol Lee),Ge FengChen,이만영(Man-Young Lee),김영수(Young-Soo Kim),윤병수(Byoung-Su Yoon) 한국양봉학회 2006 韓國養蜂學會誌 Vol.21 No.1
Hygienic behavior and degree of chalk brood infection were evaluated from the ten crossed lines of honeybee accord to the Korea-China Joint Research Program in 2003. The crossed line no. 6 and no. 9 were significantly less infected (2.5 ± 0.6 and 4.5 ± 1.8 larvae respectively) by chalk brood disease than the other eight lines (11.0~29.8 larvae). The crossed line no. 6 also showed the lowest accumulated infection degree of chalk brood from seven times of observation during the year. The hygienic behaviors of experimental bee lines were estimated by nest cleaning ability for frozen and killed bee pupae by liquid nitrogen. The removal rate of dead pupae 24 hours after liquid nitrogen treatment was also the highest (95.3%) in the colonies of no. 6 line, which had revealed the lest infection level of chalk brood. The nest cleaning activities of other lines were ranged from 44% to 89%. The correlation coefficient between hygienic behavior and chalk brrod infection level was r=-0.731 (y=-0.0214x+3.23, p=0.06).
이명렬(Myeong-Lyeol Lee),박영미(Young-Mi Park),이만영(Man-Young Lee),김영수(Young-Soo Kim),김혜경(Hye-Kyung Kim) 한국양봉학회 2005 韓國養蜂學會誌 Vol.20 No.2
The parasitic mites on the honeybee were examined from 35 local apiaries in South Korea in October 18~November 5, 2005 to identify the species and clarify their population level. The parasitic mites infested in the capped worker pupae were classified as Varroa destructor Anderson & Trueman and Tropilaelaps clarea Delfinado & Baker. The mite species, V. destructor and T. clarea, occurred in 32 (91.4%) and 9 (25.7%) apiaries, respectively, among total 35 sites. Average adult mite numbers per 100 worker pupae were 18.4 ± 25.4 (0~117) in V. destructor and 1.7 ± 5.9 (0~32) in T. clarea. The Varroa mites from 15 different local apiaries were analyzed their mitochondrial CO-I (cytochrome oxidase subunit I) sequences, all of which were consistent with that of V. destructor and identical to the Korean haplotype described by Anderson & Trueman (2000).