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An, Tae-Ho,Su-bin Choi,Hyojoong Kim,Ki-Gyoung Kim,Hong-Yul Seo,Deok-Seo Ku 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.04
Two species of the subgenus Exosyntretus (Hymenoptera: Braconidae: Euphorinae) in the genus Syntretus are reported from Korea in this study. The species of the genus Syntretus are small parasitic wasps, which attack adult Hymenoptera. Their hosts are adult parasitoid wasps and adult bees. The subgenus Exosyntretus are known as only five species in the world. Among them, Syntretus (Exosyntretus) nevelskoii Belokobylskij is new to Korea. The world checklist, diagnosis and distribution data are included.
Genomic Imprinting and Sex Determination Vollenhovia emeryi (Hymenoptera: Myrmicinae)
Pureum Noh,Jae Chun Choe,Gilsang Jeong 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.05
In haplodiploid sex determination, females are sexually reproduced from fertilized diploid eggs, and males from unfertilized haploid eggs. Haplodiploid sex determination seems simple in that sex depends simply on the ploid level. However, the underlying genetic mechanisms are thought to be much more complicated than expected. Among them, a powerful proposed mechanism is genomic imprinting. All epigenetic on-off systems require target genes, unless the systems target histone proteins on chromosomes. For Hymenoptera, a good candidate target gene in terms of sex determination is known either as feminizer (fem) or transformer (tra) in many insects. These two genes are essential for expressing femaleness. In most Hymenopteran insects, the maternal tra seems to be methylated and consequently not expressed, while the paternally derived tra gene is not methylated. Therefore, a fertilized egg with the paternally derived active tra gene will develop into a functional female. Like all Hymenoptera, ants (Formicidae) have haplodiploid sex determination. In Vollenhovia emeryi, however, queens are produced clonally while workers derive from fertilized eggs. Males are haploid, likewise deriving from fertilized eggs, but only after selective elimination of their maternal genome. Under the conventional genomic imprinting model, we would have expected that the opposite pattern of what is observed in others. Here we present extraordinary sex determination and suggest our hypothesis about genomic imprinting pattern in V. emeryi
Min Jee Kim,Eui Jeong Hong,Iksoo Kim 한국응용곤충학회 2015 한국응용곤충학회 학술대회논문집 Vol.2015 No.10
We sequenced the complete mitochondrial (mt) genome of Camponotus atrox (Hymenoptera: Formicidae) that is distributed only in Korea. This genome is 16,540 bp in size, contains typical sets of genes (13 protein-coding genes, 22 tRNAs, and two rRNAs). The C. atrox A+T-rich region is the longest in the sequenced ants as 1,402 bp and is comprised of an identical tandem repeat consisting of six 100-bp copies and one 96-bp copy. A total of 315 bp of intergenic-spacer sequences were spread over 23 regions. An attempt to align spacer sequences in ants turned out that alignment was mostly feasible among congeneric species, with a substantial sequence divergence, indicating the potential of these sequences as congeneric molecular markers. The A/T content in first and second codon positions of PCGs are similar in ants including C. atrox (73.9 vs. 72.3% on average). Estimation of degree of genetic divergence (e.g. non-synonymous substitution rate) with an increased taxon sampling among hymenopteran superfamilies indicated the presence of different rates of divergence between the suborders Symphyta and Apocrita as has previously been reported. The C. atrox mt genome has a unique gene arrangement, trnI-trnM-trnQ at the A+T-rich region and ND2 junction (underline for inverted gene), possibly originated from tandem duplication of trnM-trnI, resulting in trnM-trnI-trnM-trnI-trnQ and loss of first trnM and second trnI, resulting in trnI-trnM-trnQ.
Taxonomic Review of the Subfamily Rhyssinae (Hymenoptera: Ichneumonidae) from Korea
Ki-Beom Kim,Jong-Wook Lee 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.10
For the taxonomic studies of the subfamily Rhyssinae (Hymenoptera: Ichneumonidae), specimens were collected from March of 2001 to June of 2012 in the south Korean. For the present work, 400 specimens which collected form various laboratories in Korea and in other countries. As a result of taxonomic study, a total of 5 genera, 13 species was confirmed in Korea Rhyssinae. Additionnal discriptions, collection sites, korean records, distribution, host, keys are provided for all 13 species. The Korean of species Rhyssinae and host are listed as followes. Subfamily Rhyssinae Morley, 1913 Genus Epirhyssa Cresson, 1865 Epirhyssa nitobei Uchida, 1928 Genus Megarhyssa Ashmead, 1900 Megarhyssa gloriosa (Matsumura, 1912) Megarhyssa jezoensis (Matsumura, 1912) Megarhyssa praecellens (Tosquinet, 1889) Megarhyssa n.sp 1 Megarhyssa n.sp 2 Megarhyssa n.sp 3 Megarhyssa n.sp 4 Megarhyssa n.sp 5 Genus Rhyssa Gravenhorst, 1829 Rhyssa persuasoria (Linnaeus, 1758) Genus Rhyssella Rohwer, 1920 Rhyssella furanna (Matsumura,1912) Genus Triacyra Baltazar, 1961 Triancyra galloisi (Uchida, 1928) Triancyra hirashimai Momoi, 1970
Hyeokjun Kwon,Kanghyun Lee,Dongpyo Lyu 한국양봉학회 2017 韓國養蜂學會誌 Vol.32 No.4
The species of the Acoropyga sauteri Forel, 1912 (Hymenoptera: Formicidae) are recorded for the first time from South Korea. Morphological characteristics of this species, and a taxonomic key of genera to the Korean Formicinae are provided.
Park, Ji-Doo,Lee, Jong-Wook,Park, Il-Kwon,Kim, Chul-Su,Lee, Sang-Gil,Shin, Sang-Chul,Yang, Zhongqi,Sheng, Maoling,Jeon, Mun-Jang,Byun, Bong-Kyu Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.4
An ichneumon species, Endasys liaoningensis Wang et al., is reported for the first time from Korea. Morphological characteristics of adults are redescribed with illustrations. In addition, the biological characteristics and their distributional ranges are discussed.
Taxonomic Study of the Family Eupelmidae (Hymenoptera: Chalcidoidea) from South Korea
Duk-Young Park,Jong-Wook Lee 한국응용곤충학회 2017 한국응용곤충학회 학술대회논문집 Vol.2017 No.10
Eupelmidae Walker, 1833, belongs to the superfamily Chalcidoidea, with more than 1,000 described species within48 genera worldwide. They are distinguished from other families as following characters: females and some males withlarge and undivided mesopleuron; gaster subsessile; male antenna with seven funiculars and only single anellus.Most species of this family are idiobiont ectoparasitoids or predators of the immature stage of Coleoptera, Homoptera,Lepidoptera, Neuroptera, Orthoptera and even other Hymenoptera, or some species are endoparasitoids of eggs of Araneae,Dictyoptera, Hemiptera, Lepidoptera, Orthoptera and Phasmida.In this study, history, descriptions, photos of habitus and a key to genera and species of South Korean Eupelmidaeare provided.
이혜린,안태호,변봉규,구덕서 국립중앙과학관 2016 Journal of Asia-Pacific Biodiversity Vol.9 No.4
Five species of the genus Streblocera (Hymenoptera: Braconidae: Euphorinae) are reported for the first time from Korea: Streblocera (Eutanycerus) affinis Belokobylskij, Streblocera (E.) galinae Belokobylskij, Streblocera (E.) lienhuachihensis Chou, Streblocera (E.) major Belokobylskij, and Streblocera (Streblocera) spasskensis Belokobylskij. Diagnosis and photographs for the species are provided.
Hwakyung Hwang,Yiseul Noh,Jinyoung Kim,Yeonsun Jeon,Soyeon Park,Pureum Noh,Bitna Lee,Injung Kim,Soyeong Lim,Yikweon Jang,Gilsang Jeong 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.04
In Hymenoptera, thanks to its haplodiploid sex determination, arrhenotokous parasitoid females are able to control offspring sex ratio by determining whether to use sperm or not at the time of oviposition. However, the offspring sex ratio may also be influenced by the mating behavior of a male. When a male searches females, he will have more chances to encounter with other males in a high male density population than low male density population. If the male is competitive, the male can find females faster and may have longer copulation time, and eventually transfer more sperm than other males. In this study, we investigated mate searching time, copulation duration and offspring sex ratio as a function of the male density. Although the results show difference between searching time and copulation duration, they are not statistically significant. We will discuss the statistical consequence, male density dependent offspring sex ratio and its evolutionary implications.
Nine Newly Recorded Species of the Family Braconidae (Hymenoptera) New to Korea
Lee, Hye-Rin,Belokobylskij, S.A.,Ku, Deok-Seo,Byun, Bong-Kyu The Korean Society of Systematic Zoology 2020 Animal Systematics, Evolution and Diversity Vol.36 No.1
Braconid wasps is second largest family of Hymenoptera. It is comprising more than 18,000 described species. In Korea, a total of 910 species have been recorded to date. In the present study, nine species of the family Braconidae are recorded for the first time from Korea: Aneurobracon philippinensis (Musebeck), Cenocoelius japonicus (Watanabe), Rattana sinica He & Chen, Adelius clandestinus (Förster), Blacometeorus brevicauda (Hellen), Centistes minutus Chen & Achterberg, Centistes sylvicola Belokobylskij, Gnamptodon sichotaealinicus Belokobylskij, Cotesia urabae Austin & Allen. Diagnosis, distribution and host information for the each species are provided.