We were conducted to know the community structure the insect fauna of the Cheonggyecheon, the urban natural restored stream. From 2007 to 2010, we were surveyed 18 times at 4 collecting sites, day and night. A total of 352 species of 99 families belonging to 11 orders were identified from 4,433 individuals collected terrestrial insects. Among them, 113 species, 52 families, 9 orders were collected in night time. Grouping by order, these 3 orders, Hemiptera (70 species in 20 families), Lepidoptera (69 species in 19 families) and Coleoptera (67 species in 17 families) were recorded high species number rather than the other orders. A yearly species number are as follows: 137 species, 57 families belonging to 10 orders were recorded in 2007; 162 species, 56 families belonging to 8 orders were recorded in 2008; 159 species, 61 families belonging to 9 orders were recorded in 2009; 166 species, 71 families belonging to 10 orders were recorded in 2010. The species number of lower stream (170 species, 53 families belonging to 8 orders from St.3 and 208 species, 67 families belonging 10 orders from St.4) was higher than that of upper stream (94 species, 47 families belonging to 8 orders from St.1 and 110 species, 48 families belonging 9 orders from St.2). The results of this study showed that diversity of the insect species in Cheonggyecheon have been keeping stable condition since 2008 after 3 years from the Cheonggyecheon restored. Accordingly, Cheonggyecheon is important habitat for terrestrial insects living in an urban environment which has severe ecological disturbances.

The Cheonggyecheon was restorated at 2006 by Seoul City Government. This unprecedented large scale restoration suggests the possibility of fulfill the harmony between human and natural environment. Especially Cheonggyecheon is now attention as the urban ecology stream, there are many insect communities which have high environmental adaptability exist with the other living organisms. In this study, we focus on insect diversity from urbun restored stream of Cheonggyecheon. Totally 18 times surveyed by day and night collecting during 2007 to 2010. The daytime survey for insects was carried out 14 times and night was 4 times. Daytime collecting method were sweeping, beating, brushing and several methods were used depending on the conditions and night collecting by light trap. The collecting results of survey sites are as follows: 174 species, 67 families belonging to 11 orders were recorded in the year 2007; 192 species, 70 families belonging to 10 orders were recorded in the year 2008; 206 species, 72 families belonging to 11 orders were recorded in the year 2009; 248 species, 94 families belonging to 12 orders were recorded in the year 2010; total 433 species, 125 families belonging to 13 orders were recorded. The result of this study showed that, biodiversity of insect was continuous increased after restored.

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.

The genus Parapammene Obraztsov, 1960 belonging to the subfamily Olethreutinae, family Tortricidae includes very small to small moths. The genus is characterized by the followings: forewing with median fascia and speculum, and without whitish stria below apex; tegumen of male genitalia being a broad band with the top emarginate laterally; seventh stenite of female genitalia, excavated in posterior edge (Horak, 2006). This genus comprising about 16 species in the world (Brown, 2005). In palaearctic region, there are about 10 known species, 5 species are recorded from Oriental region, and one species in Australian region (Komai, 1999). Comprehensive reviews of genus Parapammene Obraztsov have been given by Obraztsov (1960), Danilevsky and Kuznetzov (1968), and Razowski (1989) and Komai (1999). The following character states support the monophyly of Parapammene (Komai, 1999): 1) ductus bursae with a narrow, band-like sclerite; 2) seventh sternite of female a convex (not flat) plate; 3) S2 without anterolateral processes. In this study, the genus Parapammene Obraztsov are reported for the first time from Korea, with the first record of parapammene selectana (Christoph, 1881), P. petulantana (Kennel, 1901) and P. aurifascia Kuznetzov, 1981. Morphological characters of this genus are redescribed with illustrations of adults, male and female genitalia.

The tribe Eucosmini is the second largest tribe of Olethreutinae with more than 1,000 species in over 125 genera, distributed mostly in the Holarctic region, and over half of the known species occur in the Nearctic region (Horak and Brown, 1991b). Enarmonia Hübner, Ancylis Hübner, and its allied genera are tentatively retained in Eucosmini, although they have been treated as the subtribe Enarmoniina (Razowski, 1989) belong to Eucosmini maybe distinguished from other tribes by a combination of the following characters proposed by Kuznetsov and Stekolnikov (1984): 1) one-branched protuberance of the valve; 2) gnathos and uncus very weakened or reduced. In Vietnam, in the period 1977-1978 and 1997-1998, National Institute of Plant Protection (NIPP) recorded only seven Tortricidae species. But none of them are Eucosmini. Recently, Kuznetzov (2001) recorded four species in the South Vietnam: Eucosmogastra aeolantha (Meyrick, 1914), Noduliferola pleurogramma (Clarke, 1976), N. atriplaga (Clarke, 1976), N. phaeostropha (Clarke, 1976). Razowski recorded 14 species of 10 genera of Eucosmini (2009). In this study, we are briefly reviewed of tribe Eucosmini in North Vietnam. As the result of this study, totally 19 Eucosmini species of 13 genera are recognized. Of them, 17 species are reported for the first time from Vietnam such as: Coenobiodes acceptana Kuznetzov, 1973; Epiblema foenella (Linnaeus, 1785); Eucosma calligrapha Meyrick, 1912, etc. The materials identification based on the collection of University of Incheon, which has collected from 2004-2009 in the North Vietnam by Vietnamese and Korean entomologist.

The family Arctiidae is a large and diverse family of moths with around 11,000 species (Watson ＆ Goodger, 1986) in three subfamilies found all over the world, including 6,000 neotropical species (Scoble. MJ, 1995). The family is characterized in the following characters (Kitching ＆ Rawlins, 1999): hindwing with Sc+R and S fused for about 1/3 length of discal cell, occasionally completely fused, or only fused for 1/4 length of cell; almost always with either fore coxa, patagium, or abdomen orange or red and contrasting with color of dorsal thorax; metathorax with tymbal organs appearing as a striated band on katepisternum. Taxonomic study of the Arctiidae in Cambodia has been done by a few foreign entomologists. In the present study, we were collected three times from Cambodia in three protected forests are Seima, Central Cardamom, and North Cardamom (Pursat). Each times, we were collected from 3 to 5 sites in each forests. As the results of this study, about 70 species of 32 genera belonging to Arctiidae were recorded from Cambodia. The materials examined based on the collection of University of Incheon, which has collected from 2009-2010 in Cambodia by Cambodian and Korean researcher.

Analysis of benthic micro-invertebrate community structure from the Pyeonghwaui Dam was investigated from May 2006 to October 2008. Total taxa of benthic micro-invertebrates were 5 phylum, 8 class, 15 order, 44 family, and 97 species in 2006, and 5 phylum, 7 class, 15 order, 48 family, 103 species in 2008. Mean dominance index at St. 1 to St. 5 were 0.36, 038, 0.38, 0.21 and 0.29. Mean species diversity at St. 1 to St. 5 were 3.84, 3.34, 3.13, 4.84 and 4.28. Although the dominance index of Lentic area was higher than Lotic, but the diversity was lower than Lotic area.

The genus Dichrorampha Guenée, 1845 belong to subfamily Olethreutinae, family Tortricidae described about 110 species in the Holarctic region (Brown, 2005). In Palaearctic region, there are about 90 species and about 20 species found in Nearctic region; 54 species are recorded from Europe (Razowski, 2003). Danilevesky and Kuznetsov (1968) established the subtribe Dichroramphae by the genus Dichrorampha Guenée. Razowski (1989), proposed the usage of Lipoptychina instead of Dichroramphae since the former name is older. Komai (1999) referred to the group as the Dichrorampha genus-group and added Pammenemima Diakonoff (= Titanotoca Diakonoff) to the group (Horak, 2006). Since Park (1983) reported two species of the genus for the first time from Korea, they are mainly studied by Park and Ahn (1986), Byun, Bae and Park (1998), Oh, Bae and Park (2001). Four species have been reported to present from the Korean peninsula. In this study, Dichrorampha gueneeana Obraztsov, 1953 is report for the first time from Korea. D. gueneeana Obraztsov, 1953 resembles with D. latiflavana Caradja, 1916 superficially, but the former is easily distinguished from the latter by following characters: dorsal patch of forewing color pale yellowish, and smaller than D. latiflavana Caradja, 1916; sclerite of colliculum slender; bent proximally and ductus bursae broader than D. latiflavana Caradja, 1916. Morphological characters of this species are redescribed with illustrations of wing venation and genitalia.

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.

The genus pammene Hübner, [1825] is one of the genera related to Grapholita Treitschke, 1829, belonging to the tribe Grapholitini of the subfamily Olethreutinae (Bae & Park, 1998). The genus is mostly distributed in the Holarctic region, with about 100 species in the world. Danilevsky & Kuznetzov (1968) divided the genus into the two subgenera, Pammene and Eucelis. Komai (1999) discussed the phylogenetic position within the tribe. Since Park (1983) reported one species of the genus for the first time from Korea, they are mainly studied by Byun & Park (1993), Byun et al. (1998) and Bae & Park (1998). Up to date nine species have been reported from the Korea by Bae and park (1998). In this study, Pammene gallicolana Lienig & Zeller, 1846 is report for the first time from Korea. This species resembles with Pammene ignorata superficially, but P. gallicolana is easily distinguished from the latter by following characters: dorsal patch much larger, basal cavity much bigger, and apophysis posterior longer than P. ignorata, respectively. Morphological characters of this species are redescribed with illustrations of genitalia.

The genus Cydia Hübner is distributed in all the continents, with the tropical regions. However, It's rather insufficiently studied. In palaearctic, there are about 100 known species, less than half of this amount is Nearctic region; 49 species are recorded from Europe. The repartition areas of some species are wide, of some other small, however, they extend during the studies. The genus Laspeyresia Hübner, 1825, which was often used instead of Cydia until the late 1970s is help to be a junior homonym of Laspeyresia R.L,. 1817, an emendation of Laspeyria Germar, 1810 (Noctuidae). Comprehensive reviews of Cydia have been given by Heinrich (1926), Obraztsov (1959), Danilevsky and Kuznetzov (1968), and Razowski (1989). Komai (1999) discussed the phylogenetic position within the tribe (Horak, 2006). In the present study, the Korean species of genus Cydia are reviewed. A　total of 10 species are recogniged. Of them, Cydia danilevskyi (Kuznetzov, 1973) and Cydia indivisa (Dailevsky, 1963) are reported for the first time from Korea. Morphological characters of this genus are redescribed with illustrations of adults, wing venation, male and female genitalia. Distribution map, data matrix, cladistic analysis are provided.

The tortricid moths genus Cydia Hübner includes many species of economic importance due to the damage they inflict on agricultural crops, especially fruit and nut trees. Some Cydia species are an important food source for other animals, and some have been used as agents of biological control. Cydia species are generally small dull brown moths with yellow or white wormlike larvae. This group was defined by the combination of the following characters: Apical segment porrect; forewing apex rounded; M2 and M3 sub-parallel; hindwing M3 separate CuA1; uncus absent; socius rounded; corpus bursae with two segnum, like hook-shape; ductus bursae sclerotized. In this study, the Korean species of genus Cydia are reviewed. A total of 10 species are recognized. Among them, two species are newly recorded from Korea for the first time. Adults and genitalia of both sexes are illustrated. Distribution map, data matrix, cladistic analysis are provided. Also illustration of adults, venations, male and female genitalia are provided.