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Genetic structure of Hermetia illucens implies a recent bottleneck
Hansu Choi,Nam-Yong Park,Sung-Kyung Moon,Eunjoo Choi,Kwangin Cho,Yonggu Lee,Young-cheol Choi,Sang-beom Lee,Gilsang Jeong 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.10
The black soldier fly (Hermetia illucens) (Diptera: Stratiomyidae) is an invasive species that is thought to be endemic in Korea. The insect has been paid much attention thanks to its ability to decompose organic wastes. We collected the insect nation-wide in 2006 and 2010 to investigate its genetic structure based on the mitochondrial cytochrome oxidase 1 (mt CO1) haplotype. The results show that during the time period the insect seems to lose some rare haplotypes. We conclude that the insect may have experienced genetic bottleneck while its settlement in Korea. In our presentation, we show its updated haplotype network and genetic differentiation and propose potential explanations.
Gilsang Jeong,Eunjoo Choi,Yonggu Lee,Young-cheol Choi,Sang-beom Lee,Hansu Choi 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10
The invasive black soldier fly, Hermetia illucens, has been paid much attention as an excellent organic matter decomposer. We conducted the nationwide survey and the population genetic study using a mitochondrial cytochrome C oxidase 1 gene to understand its genetic diversity and distribution pattern in Korea. The results show that it has successfully settled down in South Korea and there are only 10 haplotypes and the populations of the insect are highly differentiated. The results indicate that only few maternal lineages were introduced and their dispersal was restrained due to their short distance flying tendency since their introduction.
Sharing of an endosymbiont in sap-feeding insects with the emphasis of Lycorma delicatula
Gilsang Jeong,Eunjoo Choi,Jaeha Ahn,Yikweon Jang,Hansu Choi 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.10
evolution of multicellular organisms. Especially in insects, a large amount of bacterial symbionts are illustrated. Among the insect taxonomic group, sap feeding insects, mostly Heteroptera, that feeds on poor nutrient sources from plants, have developed special organs where symbiotic bacteria can reside. The bacteria mainly provide the host insects with some essential amino acids. This has built evolutionarily unbreakable tie between the symbionts and the their hosts. Here we present an obligate symbiont from Lycorma delicatula (Heteroptera: Fulgoridae) being thought to invade the Korean penninsula recently. Based on the partial 16s rRNA gene sequence, the symbiotic bacterium is identified as Cadidatus Sulcia mullleri. The Genbank data indicates that the bacterium is found in various heteropteran families. This may imply the acquisition of the bacterium precedes the hosts' divergence, though there is an alternative postulation. We discuss its distribution in the sap-feeding insects and potential role on survival of L. delicatula and paratransgenetic application of the bacterium in controlling L. delicatula.
Jeong, Gilsang,Choi, Hansu,Kang, Hyejin,Jin, Seon Deok National Institute of Ecology 2021 국립생태원회보(PNIE) Vol.2 No.2
The era of mass production of agricultural and dairy systems inevitably causes a huge amount of biowastes during their processes. Modern consumption patterns of the general public also contribute to biowaste formation. Thus, processing biowastes has attracted much attention. The introduced black soldier fly (BSF) (Hermetia illucens) is considered as one of environmentally friendly management options for solving biowaste issues. However, an indigenous species, Ptecticus tenebrifer, is also a powerful decomposer that has been largely neglected. This species can be easily found on biowastes such as manure dump, agricultural wastes, and human food wastes. It can be also easily found in the field. It is even attracted to a food trap. To the best of our knowledge, this is the first ecological study on this species.