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RISS 인기검색어
- 검색키워드
- 저자 : ( Pham Thi Vuong ) (검색결과 23 건)
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Vuong, Pham-Thi,Kim, Jinho,Yoohan Song Korean Society of Applied Entomology 2003 Journal of Asia-Pacific Entomology Vol.6 No.1
In southern Korea, the two aphid species, Myzus Pessicae(Sulzer) and Lipaphis Pseudobrassicae (Davis), had been known to have sexual phase to produce hibernating eggs on their alternate hosts. However, we have fequently found that they were still alive in the parthenogenetic form even in below freezing conditions in winter. This study had been focused on verifying the possibility of overwintering of the two important aphid species in the parthenogenetic morph, by comparing the population density changes within greenhouse and open field condition. In green- house condition, though not heated, both species successfully continued reproducing in a parthenogenetic form. In open field, L. pseudobrassicae successfully survived and reproduced on chinese cabbage and spinach even below freezing temperatures. M. persicae were also able to survive in the winter but not as much capability of reproduction as L. preudobrassicae. This study provided the evidence that the aphid infestations in greenhouse can be mostly from overwintering populations in the parthenogenetic morph in southern greenhouse area of Korea.
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Vuong, Pham-Thi,Kim, Jinho,Yoohan Song Korean Society of Applied Entomology 2001 Journal of Asia-Pacific Entomology Vol.4 No.1
We conducted a study on the population dynamic of the two major aphid species of green peach aphid, Myzus persicae(Sulzer), and cotton aphid, Aphis gossypii (Glover), as well as their natural enemies on the five major green house crops in Chinju greenhouse vegetable area in Korea. The green peach aphid was relatively the majority among all aphids collected from tomato, potato, and chinese cabbage, while the cotton aphid was major species on water melon and hot pepper. Both species reached their peaks in mid June, when the summer monsoon was not initiated, the temperature was relatively as low as 23$^{\circ}C$, and the crops were young and favorable. the density of predators such as spiders, lady beetles and green lacewings and some other arthropods were very low in the early season and reached their pick three weeks after the aphids density peaked. This data indicated that the predators only follow aphid abundance but arrive too late to be effective as regulators of aphids population. About 9,255 samples of various aphids collected from the five crops, we found 39 parasitoids representing at least eight different species. Aphidiid sp. occupied 35.8% and hyperparasites occupied 56.5%. Lipolexis scutellaris species was ver scarce and only occupied 2.6% from Aphis gossypii on watermelons. This information can be used for determining the impact of natural enemies under the mixture of greenhouse-open field vegetable production system.
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Hong Hien Pham,Thi Vuong Pham,Jong Kyu Kim,Yoo Han Song 한국응용곤충학회 2008 한국응용곤충학회 학술대회논문집 Vol.2008 No.10
Root zone application of several systemic insecticides was tested for control of the brown planthopper, Nilaparvata lugens (Stål), in Vietnam and Korea. In Vietnam, the results indicated that carbofuran showed the highest nymphal mortality in all experiments, followed by imidacloprid and carbosulfan. When the insecticides were applied on 10-day old rice, carbofuran was shown almost 100% N. lugens mortality at six days after treatment and the efficacy was extended to twelve days after application. In Korea, various root-zone application methods were tested with carbofuran and carbosulfan. The results showed that carbofuran was the most active in reducing the egg hatching rates. When root-zone treated on 40-50 day-old rice in a greenhouse, no nymphs were hatched in carbofuran treated pots, while average of 20 nymphs were emerged in carbofuran broadcasting pots. Especially the number of nymphs emerged in carbosulfan foliar spray was 54 nymphs per pot even at the eight day after application, which was higher than in control pots. This is the first study ever demonstrated the high egg mortality of N. lugens on rice due to the root-zone application of insecticides.
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Revision of Tribe Archipini (Tortricidae: Tortricinae) from Northern part of Vietnam
XuanVi Le,Pham Thi Vuong,Yang-Seop Bae 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.04
The tribe Archipini occurring mainly in the Holarctic, Afrotropical and Oriental Regions; scarcely represented in the Neotropical with more than 500 described species of 150 genera (Razowski, 2003). The tribe Archipini in Vietnam was studied by several authors. Kuznetsov (1992) described two new species, Homona superbana and Neocalyptis sodaliana, besides 28 known species were recorded, and he (1997) also recorded four species, Homona encausta (Meyrick), Neocalypis tricensa (Meyrick), Meridemis furtiva Diakonoff and Lumaria probolias (Meyrick). In a study on Tortricidae fauna from Vietnam (2000), 43 of 208 Tortricidae species belong to the tribe Archipini were annotated. Based on the collection of the Berlin Museum, Razowski (2008a) reported seven known species and described 13 new species belong to four genera, Gnorismoneura Issiki & Stringer, 1932, Terthreutis Meyrick, 1912, Synochoneura Obraztsov, 1955, and Terricula Falkovitsh, 1965, he also reported ten known species and described five new species belong to three genera, Choristoneura Lederer, 1859, Homona Walker, 1863 and Meridemis Diakonoff, 1976 (2008b). In the year of 2009, he described one new genus, Chirapsina Razowski, 15 new species, besides 37 known species were recorded (2009a), he (2009b) also described five new species and four known species from Vietnam. In the present study, we focused on Archipini fauna in the northern part of Vietnam, a total of 19 species belong to 13 genera are recorded. Among them, five species Adoxophyes tetraphracta Meyrick, Meridemis bathymorpha Diakonoff, Pademis corylana Fabricius, Terthreutis bulligera Meyrick, and Ulodemis hyalura Diakonoff are recorded for the first time.
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Taxonomic Study on Subfamily Tortricinae (Lepidoptera, Tortricidae) from Northern Part of Vietnam
Xuan-Vi Le,Pham Thi Vuong,Do-Young Chae,Yang-Seop Bae 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.05
Tortricinae is the one of three subfamilies (Tortricinae, Olethreutinae and Chlidanotinae) in the Tortricidae and widely distributed around the world. It has been divided into 11 tribes (Horak and brown, 1991). The subfamily can be distinguished from other subfamilies by the two rings of scale on each antenna segment, and the caulis articulated with the juxta by a short membrane. A total of 1010 named species are presenting in Palaearctic region (Razowski, 2008) including 382 species of six tribes are distributed in Europe (Razowski, 2003), more than 260 species were recorded from South East Asia (Robinson, Tuck and Shaffer, 1994). The fauna of Tortricinae in Vietnam is poorly known even some expeditions were previously done by some foreign entomologist. For Vietnamese entomologist, the first investigation on insect pest of agricultural crops was done by National Institute of Plant Protection (NIPP) in the period 1977-1978 and 1997-1998 with only seven Tortricidae species were recorded. In the year, 2000 Kuznetzov annotated a list of 208 tortricid species from Vietnam. Recently, more than 80 species of 31 genera belong to Tortricinae are announced from 2008 to 2009 by Razowski. Of them, 33 species were described as new to science from Vietnam. At present, the tortricid fauna of Vietnam is estimated approximately 315 species (Svetlana V. Nedoshivina, 2010). In this study we briefly reviewed of subfamily Tortricinae in Northern part of Vietnam. Totally, 28 species of 13 genera are recognized, but only 9 species were previously recorded. Besides, Some unidentified species are waiting for further study. The materials for identification are based on the collection of University of Incheon, which were collected from 2004-2010 in the Northern part of Vietnam by Vietnamese and Korean entomologist.
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Taxonomic notes of family Tortricidae (Lepidoptera) in the north Vietnam
Le Xuan Vi,Pham Thi Vuong,Yang-Seop Bae 한국응용곤충학회 2009 한국응용곤충학회 학술대회논문집 Vol.2009 No.10
The family Tortricidae, with just over 9000 described species (Brown 2005), is the second largest lineage in the microlepidoptera, and by far the most important economically. In Vietnam, de Joanis is the first entomologist has created the original data of moths. From 1928-1929, he reported 45 families belong to Lepidoptera and focoused on Noctuidae and Pyralidae. After the Vietnam war in the North (1954), many times were collected in the North by National Institute of Plant Protection (NIPP). But all of them focused on fauna of the agricultural pests. According to the publication of NIPP (1967-1968), 533 species of 37 families. Recently, Korean entomologists have researched on the Lepidoptera in Vietnam by Park et al. (2007) reported 816 species of Lepidoptera classified by 4 families; Noctuidae (564 species), Pyraloidae (201 species), Sphingidae (28 species), and Lecithoceridae (23 species). Vietnamese entomologists' reports have represented a diversity of Lepidoptera in National parks of Vietnam, but all of them focused on macrolepidoptera. In 2001, one new genus and 6 new species belong into Tortricidae in the Southern part has reported by Kuznetzov. In 2008 Razowski announced 10 Tortricidae species in Vietnam. The main aims of this study are to survey of any references of family Tortricidae in North Vietnam, and it also is the first data about Tortricidae in Vietnam. The materials identification based on the collection of University of Incheon, which has collected from 2004-2007. In the taxonomic review of the Tortricidae in Northern part of Vietnam, 40 species (16 species of the subfamily Tortricinae and 24 species of the subfamily Olethreutinae) are recognized. All of them are reported for the first time from Vietnam. Taxonomic review for all species is provided with photos of the adults for the species.
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Xuan-Vi Le,Pham Thi Vuong,Yang-Seop Bae 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.10
Sorolopha Lower, 1901 is one of the largest genera belongs to the tribe Olethreutini in the subfamily Olethreutinae Obraztsov, 1946. This genus is distributed throughout the world, including 64 described species (Brown 2005; Horak 2006). Among them, 60 species are distributed mainly in the Oriental Region. Besides, the genus was also recorded from Australian Region (6 species) and Palaearctic Region (2 species). Characteristics of genus Sorolopha are very close to those of Eudemis (Diakonoff 1973). Sorolopha species in Vietnam have been reviewed by Kuznetzov (1988, 2000 & 2003) and Razowski (2009). In 1998, Kuznetzov recorded one new species, S. ghilarovi Kuznetzov in a study on Lepidoptera fauna from the Northern part of Vietnam, and he (2000) also recorded 9 species from the country based on the collection of Zoological Institute, St. Petersburg. Moreover, a new species S. asymmetrana Kuznetzov was described in 2003. Most recently, Razowski (2009) reported 4 known species such as, S. herbifera (Meyrick, 1909); S. sphaerocopa (Meyrick, 1930); S. satoi Kawabe, 1989; S. chiangmaiensis Kawabe, 1989. He also described two species as new to science, S. brunnorbis Razowski and S. dorsichlora Razowski from the collection of the Berlin museum. In this study, a total of 10 species have hitherto been recorded from the Northern part of Vietnam including one new species, S. cucphuongensis sp. nov.. The new species is very similar to S. phyllochlora Meyrick but it can be separated by different characters of wing pattern and socius of male genitalia. The materials for identification are based on the collection of University of Incheon.
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Taxonomic Notes of Subfamily Olethreutinae (Lepidoptera: Tortricidae) in the North Vietnam
Le Xuan Vi,Pham Thi Vuong,Do-Young Chae,Yang-Seop Bae 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
Leaf roller moths Olethreutinae is the second largest subfamily in Tortricidae, comprising worldwide more than 4,300 species (Horak, 2006). Of which, 465 species of 88 genera in South Asia (Diaknoff, 1973). In Vietnam, when studying on fauna of the agricultural pests, National Institute of Plant Protection (NIPP) recorded only 4 Tortricidae species (1977-1978), and 3 Tortricidae species (1997- 1998). From 1996 to 2001. Kuznetzov reported two new genera Fibuloides gen. nov., Pammenpsis gen. nov., and 19 species of Olethreutinae. He also has created a list of 208 Tortricidae species in the North Vietnam. Recently, Razowski recorded 33 species, 11 genera (2008), he (2009) also reported 107 species, 61 genera, of which 61 species of 41 genera belong to Olethreutinae in the North Vietnam. Of which, 25 species are described as new to science, 13 species are new to Vietnam. In the present study, we are briefly reviewed of subfamily Olethreutinae in North Vietnam. We recognized 105 species of 51 genera. Of them, 50 species are reported for the first time from North Vietnam such as: Andrioplecta pulverula Meyrick, 1912; Cryptophlebia repletana Walker, 1863; Dactylioglypha tonica (Meyrick, 1909); Lobesia aelopa Meyrick, 1997; Lobesia ambigua Diaknoff, 1954, etc. The materials identification base on the collection of University of Incheon, which has collected in North Vietnam from 2004-2009.
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