고위험해충의 국내 유입 및 발생 여부를 조사하기 위한 예찰협력 네트워크 구성을 위해 7개 대학(경상대학교, 군산대학교, 서울대학교, 순천대학교, 안동대학교, 제주대학교, 충북대학교)이 참여하여 고위험해충 9종(Aceria diospyri, 오리엔탈과실파리(Bactrocera dorsalis), 일본과실 파리(Bactrocera minax), Bactrocera tsuneonis, 코드린나방(Cydia pomonella), 포도애기잎말이나방(Lobesia botrana), Proeulia sp., 붉은불개미 (Solenopsis invicta), Stephanitis takeyai)에 대한 예찰조사를 2018년 6월부터 10월까지 실시하였다. 전국을 7개 권역으로 구분한 뒤, 105개 지역 내 315개 지점에서 총 7,560개의 트랩운용/달관조사를 실시하였으며, 조사결과 A. diospyri, 오리엔탈과실파리, 일본과실파리, B. tsuneonis, C. pomonella, 포도애기잎말이나방, Proeulia sp., 붉은불개미, S. takeyai는 발견되지 않았다. 본 조사 연구를 통하여 고위험해충을 조기 탐지할 수 있는 전국단위의 감시체계를 구축하였으며, 국경 이후 외래침입해충들의 예찰조사를 위한 거점 지역을 확보하였다.

고위험해충에 대한 국내 유입/발생 여부를 상시 조사하고, 조기 대응하는 전국 민·관·학 예찰협력 네트워크 구성을 위하여, 고위험해충 11종(Bactrocera dorsalis, Solenopsis invicta, Cydia pomonella, Drosophila suzukii, Bactrocera depressa, Lobesia botrana, Proeulia sp., Aceria diospyri, Stephaitis takeyai, Bactrocera minax, Bactrocera tsuneonis)에 대하여 7개 대학(경상대학교, 군산대학교, 서울대학교, 순천대학교, 안동대학교, 제주대학교, 충북대학교)이 참여한 전국 권역별 예찰조사를 2018년 6월부터 10월까지 실시하였다. 조사결과, B. dorsalis, S. invicta, C. pomonella은 발견되지 않았으며, D. suzukii (3,584개체), B. depressa (21개체) 채집되었다. 포도, 단감, 감귤의 유입우려해충(L. botrana, P. sp., A. diospyri, S. takeyai, B. minax, B. tsuneonis)은 발견되지 않았다. 본 조사연구를 통하여, 고위험해충을 조기 탐색할 수 있는 7개 대학을 통한 전국단위의 감시체계를 구축하였고, 수출단지 상대국우려병해충 및 수출품목에 대한 정밀 예찰과 관리를 통한 수출지원, 국경 이후 병해충 예찰․관리를 위한 거점 확보의 성과를 이루었다.

Vespa velutina is a predatory hornet distributing in SouthEastern part of Asia and became invasive in early 2000s; invading into Korea in 2003 and France in 2004. Its distribution pattern showed typical species-invasion curve type with slow progress in the beginning and rapid expansion on ward. We determined the geographic spread of V. velutina with CLIMEX modeling. The model analysis indicates that the ecoclimatic indices (EI) increased as the projection year increased based on RCP8.5 scenario. Then the predicted EI values were further regressed with the field collected data from 2018. Vespa velutina population sizes were estimated from 230 points of sampling over the country and the sampling data were correlated with predicted EI values. The results indicated that partial contribution of the climate factors for its abundance. Also this could be an usual biological indicator of climate change in agroecosystem in Korea. Given the important risk and impact on beekeeping, socio-biological as well as ecosystem and biodiversity levels, careful monitoring of phenology, range expansion and preventive efforts mitigating the impact are further required.

Small hive beetle (Aethina tumida Murray, 1867) (SHB) is one of the important pests of bee keeping industry. This species is endemic in sub-Saharan region of Africa that has recently became an invasive and distributing rapidly throughout the world. Recent detections of SHB in Philippines, Brazil and South Korea indicate that SHB has the potential to become a global pest for apiculture and wild bees. Having enough knowledge about the population source of invasion can help understand the pest ecology and develop the control tactics. SHB has invaded to South Korea in 2017 and cause heavy damage to apiaries in Miryang City, in south-eastern part of Korea and the origin of this pest is still unknown. The aim of this study is to evaluate the phylogenetic position and origin of Korean population of SHB. We sampled the SHB from different bee hives in Miryang city and used 922 bp part of cytochrome oxidase subunit 1 (CO1) region of mitochondrial DNA to compare with all previously reported COI sequences of SHB. The result showed that the population of SHB in south Korea is classified with South Africa, Zimbabwe, Madagascar, Canada, Australia and USA populations in one clade and among them, the lowest genetic distance between South Korean and USA populations indicated that most likely the SHB was imported from the United states to South Korea. No genetic difference has been detected between studied sequences from Korean population indicating that the invasion would had happen in one occasion.

Learning and memory are essential for animals like honey bee, in which foragers leave their nest to collect food and then successfully learn to navigate back to colony. Chronic environmental exposure of neoniconitiod highly affect pollinators like honey bee. We investigated the effect of neonicotinoid, thiacloprid and imidacloprid on learning, memory and mortality of pollen foragers based on their toxicity level. Individual Pollen foragers Apis mellifera were trained using a proboscis extension proboscis. We used three treatments: 50% sugar solution, 50% sugar contaminated thiacloprid and imidacloprid as unconditioned stimulus and 2M 1-nonanol as conditioned stimulus. Our result shows that there is no significant difference between control and thiacloprid treatment both in learning and mortality of honey bee. But we found difference in memory between subjects exposed to control and thiacloprid contamination. Whereas imidacloprid contamination significantly lowered learning, eradicate memory retention and higher mortality of honey bee. Even thiacloprid and imidacloprid are in the same chemical class of Neonicotinoid insecticides, their toxic level would be different resulting in differential ecological impact to honey bee colony.