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Indiscelio: A new genus of Scelionidae (Platygastroidea) from India
Veenakumari Kamalanathan,Ovidiu Alin Popovici,Elijah J. Talamas,Prashanth Mohanraj 한국응용곤충학회 2018 Journal of Asia-Pacific Entomology Vol.21 No.2
A new scelionine genus Indiscelio Veenakumari, Popovici and Talamas is described from India with type species Indiscelio aulon Veenakumari, Popovici and Talamas. Both sexes are described and imaged. Affinities with morphologically similar genera are discussed.
New Species of the Genus Fusicornia Risbec (Hymenoptera: Scelionidae) from Korea
Park, June-Yeol,Mikhail A. Kozlov Korean Society of Applied Entomology 2001 Journal of Asia-Pacific Entomology Vol.4 No.2
Mikhail A. Kozlov Zoological Institute, Russian Academy of Sciences, St. Petersburg A new species, Fusicornia koreica sp. n., from Korea is described and illustrated. This species is distinguished from F. indica of India and the key for discrimination is presented. This is the first record of the genus in the Palaearctic region.
Choi, June-Yeol,Kozlov, Mikhail-A. 한국곤충학회 2001 Entomological Research Vol.31 No.4
검정알벌과의 분류동정 연구를 통해 한국 미기록아과인 정수리검정알벌아과(신칭, Teleasinae)에 속하는 창살검정알벌(신칭, P. nefrens Kononova)과 이랑검정알벌(신칭, P. sulcatus Kozlov)을 발견하여 한국미기록종으로 보고한다. Two Proteleas species, P. nefrensKononova and P. sulcatus Kozlov, are recorded for the first time in Korea. Teleasinae, which includes these two Proteleas wasps, is also a newly-recorded subfamily in Korea.
Jun Ki Son,추호렬,June Yeol Choi,Chae Hoon Paik,박정규 한국응용곤충학회 2009 Journal of Asia-Pacific Entomology Vol.12 No.3
Egg parasitism of the bean bug, Riptortus clavatus (Thunberg) (Hemiptera: Alydidae), was surveyed using individual egg bags in a sweet persimmon orchard and at Gyeongsang National University (GNU) campus, Korea in 2006. The effect of (E)-2-hexenyl (Z)-3-hexenoate (E2HZ3H), one component of R. clavatus aggregation pheromone, on the parasitism enhancement was tested at GNU campus and in a soybean field in 2005 and 2006, respectively. In 2006, two egg parasitoid species, Ooencyrtus nezarae Ishii (Hymenoptera:Encyrtidae) and Gryon japonicum (Ashmead) (Hymenoptera: Scelionidae), emerged from R. clavatus eggs. Parasitism by O. nezarae was 9.4–48.3% in mid August to mid September in GNU campus and 6.7–30.0% at the orchard. Total parasitism by G. japonicum (2.5%) at both sites throughout the experimental period was lower than that by O. nezarae (12.5%). This survey revealed nearly no activity of the two species after October at both sites. G. japonicum was solitary and O. nezarae could be either solitary or gregarious. From a single R. clavatus egg, one female or one male G. japonicum emerged. However, an average of 4.3 O. nezarae emerged from one host egg. It took 12.6 d for G. japonicum and 12.0 d for O. nezarae to emerge from R. clavatus eggs in the laboratory. Treatment with E2HZ3H increased parasitism by O. nezarae in both years, but did not increase parasitism by G. japonicum. This suggests that E2HZ3H can be used as a kairomone to reduce the density of R. clavatus in the fields where natural parasitism by O. nezarae is high.
Sangwon Kim,Bishwo P. Mainali,Un Taek Lim 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
Ooencyrtus nezarae Ishii (Hymenoptera: Encyrtidae) and Gryon japonicum (Ashmead) (Hymenoptera: Scelionidae) are major egg parasitoids of Riptortus pedestris (Fabricius) (Hemiptera: Alydidae), a mobile pest on several crops in Korea and Japan. We compared the sensitivity of the two parasitoids to different temperature and relative humidity (RH) conditions to understand their phenological relations. Less than 6 hours old naïve female adult O. nezarae and G. japonicum were individually kept in 50 ml tubes without food and water sources. The tubes were placed in three humidity conditions (50-55, 70-75, and 90-95% RH) in desiccators. These desiccators were then maintained at 20, 25, and 30°C. In each temperature and RH combination 75-76 individuals were assessed for the mortality every 8 hours. G. japonicum was found to survive longer (37-116 hours) in all the temperature and RH combinations than O. nezarae (31-103 hours). Both the two parasitoids survived better in higher RH in all temperatures. The reduced sensitivity to lower humidity by G. japonicum compared to O. nezarae may explain the earlier occurrence of G. japonicum in the spring. The relations with seasonal occurrence of the two parasitoids were discussed.
Sangwon Kim,Un Taek Lim 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.05
To understand microhabitat distribution of insect pest is important for developing timely management tactics. We investigated within plant distribution of Riptortus clavatus Thunberg (Hemiptera: Alydidae) eggs and its’ parasitism by egg parasitoids such as Ooencyrtus nezarae Ishii (Hymenoptera: Encyrtidae) in soybean fields. Sampling was carried out to determine the most preferred oviposition site (upper leaf surface, under leaf surface, pod and stem) in different varieties of soybean (Daewon, Cheongja, Taegwang, Daepung, Seomoktae, Seoritae) in Andong, 2007 and 2008. Parasitism was recorded only in 2008. In seasonal total, proportion of R. clavatus eggs deposited within soybean plant was significantly higher on under leaf surface (70-97%) followed by upper leaf surface, pod, and stem (2-29%, 0-8% and 0-2%, respectively) depending on varieties of soybean. In seasonal total, parasitism rate by O. nezarae was significantly higher on the eggs collected from under leaf surface (61%) followed by eggs collected from upper surface of the leaves (43%), pods (7%) and stem (33%). In conclusion, R. clavatus prefer upper leaf surface the most as a oviposition substrate in soybean, and highest parasitism by O. nezarae on the host eggs was also found on upper leaf surface.