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Leafbeetles (Coleoptera;Chrysomelidae)

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Leafbeetles (Coleoptera;Chrysomelidae) Journal of the Faculty of Agriculture SHINSHU UNIVERSITY Vol.41 No.1・2 (2005) 31 Leaf Beetles (Coleoptera;Chrysomelidae)in the Campus and Agricultural Research Stations of Chiang Mai University,Thailand Shinya UMEMURA, Jiraporn TAYUTIVUTUKULand Hiroshi NAKAMURA Graduate School of Agriculture,Shinshu University Department of Entomology,Faculty of Agriculture,Chiang Mai University,Chiang Mai,50200,Thailand Education and Research Center of Alpine Field Science,Faculty of Agriculture,Shinshu University Summary. Qualitative surveys of leaf beetles were conducted at 5 survey sites (Chiang Mai Univer- sity,Mae Hia Staion,Chang Kien Station,Nong Hoi Station,Suburb of Chiang Mai City)in Chiang Mai,Thailand using sweeping and beating methods from October 19to October 30,2003.A total of 24 species of 8 subfamilies was collected from five survey sites;11 species,3 species,2 species,11 species, 4 species from Chiang Mai University, Mae Hia Station, Chang Kien Station, Nong Hoi Station,Suburb of Chiang Mai City,respectively.In these species,Lema coomani,Aulacophora indica, Aulacophora lewisii, Monolepta pallidula,Chaetocnema (Chaetocnema) concinnicollis,Altica cyanea and Aspidomorpha furcata are also distributed in Japan.Based on these data,inventory of leaf beetle was made. Key word:leaf beetles;inventory;Chiang Mai University;Thailand forest canopy have been made as part of this Introduction project. Leaf beetles belong to family Chrysomelidae, At present, the conservation of biodiversity is order Coleoptera in Insecta. Fifty thousand one of the most important ecological problems species of leaf beetles distribute throughout the throughout the world.In relation to this problem, world.Larvae and adults of this beetle eat specific the qualitative surveys or making inventory of plants and mobility of leaf beetle adults is small. insects have become to be an important study,for So inventories of leaf beetle can be useful infor- they are regarded as the basic studies to reveal mation to evaluate the change of the environment. and conserve biodiversity.In case the ecological But there are few studies which investigate leaf information of an insect group is well known like beetle fauna in South East Asia because butterflies,it is possible to estimate the impact of identification of these beetles is very difficult. environmental change against the insect group by In this study, we conducted a survey of leaf tracing the inventories of the group for several beetle fauna in Chiang Mai,Thailand as a prepar- years. There were some reports on the changes atory work to establish the collaboration project of butterfly or leaf beetle fauna and the relation- on biodiversity in tropical region between AFC ships between fauna and environment. (Education and Research Center of Alpine Field Recently,a lot of surveys to make the inventory Science), Faculty of Agriculture,Shinshu Univer- of insects have been conducted in tropical region, sity and Department of Entomology, Faculty of especially in South East Asia. The project,“Net- Agriculture, Chiang Mai University. work construction for the establishment of insect inventory in Tropic Asia”was established in 2001 Materials and Methods and inventories of ants,bees,insects living in the 1. Study sites and survey period Received December 8,2005. Survey was conducted in following 5 survey Accepted October 27,2005. sites shown in Fig. 1. 32 信州大学農学部紀要 第41巻第１・２号 (2005) Fig.1. Location of five survey sites Chiang Mai University: Chiang Mai Univer- of 1150m on October 20.Coffee trees are planted sity is located at the altitude of 320m. There is in this station. Multiple Cropping Center in the campus and sur- Nong Hoi Highland Agricultural Research vey of leaf beetles was conducted on October 19, Station (Nong Hoi Station):Nong Hoi Station 24,28,29,30at Multiple Cropping Center in is located at the 25km northwest of Chiang Mai the campus of Chiang Mai University.Researches University, altitude of 1050m. Coffee, gourds and of irrigation agriculture and cropping system are cabbage are planted in the station. In this site, carried out and broccoli, Chinese cabbage and survey was conducted on October 21and 29. gourds are cultivated in Multiple Cropping Cen- Suburb of Chiang Mai City:Survey was also ter. conducted at soybean field in the suburb of Chiang Mae Hia Agricultural Research Station (Mae Mai City on October 31. Hia Station):Mae Hia Station is located at the 6km south of Chiang Mai University, altitude of 2. Survey method 330m. Longans are planted in the station and Leaf beetles were collected by sweeping and there are corn fields and grass fields around the beating methods in each site. Collected leaf bee- station. Survey was conducted on October 19in tles were taken to Japan and identified according this site. to“The Leaf Beetles(Chrysomelidae)of Thailand Chang Kien Highland Agricultural Research and Indochina” and “L e a f B e e t l e s Station (Chang Kien Station): Chiang Kien (Chrysomelidae)of Japan”. Station is located in the Suthep-Pui National Park, 40km west of Chiang Mai University.This Results and Discussion station contains two farm sites(Site A and Site B) and survey was conducted in Site B at the altitude 1. Number of species UMEMURA et al:Leaf Beetles in Chiang Mai,Thailand 33 A total of 24 species of 8 subfamily (4 spp. of species and 4 species were collected from Chiang Criocerinae, 1 spp. of Clytrinae, 2 spp. of Mai University, Mae Hia Station, Chang Kien Eumolpinae, 1 spp. of Chrysomelinae, 6 spp. of Station, Nong Hoi Station and Suburb of Chiang Galerucinae,5 spp.of Alticinae,3 spp.of Hispinae Mai City, respectively. and 2 spp.of Cassidinae)was collected throughout In the species collected through this survey, the survey. 11 species, 3 species, 2 species, 11 Lema coomani (Fig.2A),Aulacophora indica (Fig. Fig.2. Leaf beetles collected in this study.A :Lema coomani,B :Aulacophora indica, C :Aulacophora lewisii,D :Monolepta pallidula,E :Monolepta signata,F :Altica sp.I 34 信州大学農学部紀要 第41巻第１・２号 (2005) 2B), Aulacophora lewisii (Fig. 2C), Monolepta pal- 1. Lema delauneyi Pic lidula (Fig. 2D), Chaetocnema (Chaetocnema) con- Chiang Mai University 2 ex. 28. X. 2003, 3 cinnicollis, Altica cyanea and Aspidomorpha fur- ex.30.X.2003;Suburb in Chiang Mai City cata also distribute in Japan.In these 7 species,L. 1 ex. 31. X. 2003. coomani and A. lewisii are regarded as subtropi- 2. Lema coomani Pic cal species because these species are only dis- Chiang Mai University 1 ex. 19. X. 2003, 1 tributed in Okinawa region in Japan.A.indica,A. ex.24.X.2003,2 ex.30.X.2003;Suburb in lewisii and M. pallidula were famous pest insects Chiang Mai City 2 ex. 31. X. 2003. of gourds or mulberries in Japan.It was observed 3. Lema coromandeliana (Fabricius) that A. lewisii fed leaves of gourds so this beetle Suburb in Chiang Mai City 1 ex.31.X.2003. was also assumed to be a pest of gourds in 4. Lema sp. Thailand. Chiang Mai University 2 ex. 28. X. 2003. Clytrinae 2. Species composition 5. Diapromorpha pallens (Fabricius) In the species collected through this survey, Chang Kien Station 1 ex. 20. X. 2003; Monolepta signata (Fig. 2E) was commonly col- Chiang Mai University 2 ex. 30. X. 2003. lected at Chiang Mai University, Chang Kien Eumolpinae Station and Nong Hoi Station while Altica sp. 6. Cleorina aeneomicans (Baly) (Fig. 2F)was commonly collected at Chiang Mai Nong Hoi Station 2 ex. 21. X. 2003. University, Mae Hia Station and Nong Hoi Sta- 7. Platycorynus sp. tion. Lema delauneyi and Lema coomani were Suburb in Chiang Mai City 1 ex.31.X.2003. commonly collected at Chiang Mai University and Chrysomelinae Suburb of Chiang Mai City. 8. Lygaria westermani Stal Species composition of leaf beetle collected in Nong Hoi Station 2 ex. 29. X. 2003. this study was characterized by high proportion of Galerucinae herb eating species. Nine species of total 24 9. Apophylia sericea (Fabricius) species are herb eating species and 4 species eat Nong Hoi Station 2 ex. 21. X. 2003. the leaf of wood. Cleorina aeneomicans was the 10. Aulacophora indica (Gmelin) only species which eats both herb and the leaf of Nong Hoi Station 1 ex. 21. X. 2003. wood. Agricultural pest insects like Monolepta 11. Aulacophora lewisii Baly signata (pest of legume and cotton), Hispellinus Chiang Mai University 3 ex.19.X.2003,13 callicanthus (pest of rice and sugar cane) were ex. 24. X. 2003, 5 ex. 30. X. 2003. also collected in this study.Eight agricultural pest 12. Monolepta rugipennis (Laboissiere) species were contained in total of 24 species. M. Knon Hoi Station 1 ex. 29. X. 2003. signata was found on brassicaceous vegetables 13. Monolepta signata (Olivier) like Chinese cabbage, so it is suggested that this Chiang Mai University 2 ex. 19. X. 2003, 7 species may injure brassicaceous vegetables. ex. 24. X. 2003, 4 ex. 30. X. 2003; Chang It is important to make inventory of insects for Kien Station 1 ex. 20. X. 2003;Nong Hoi the conservation of biodiversity in tropical rain Station 1 ex. 29. X. 2003. forests. Inventory of leaf beetles in this study 14. Monolepta pallidula (Baly) carried out at Chiang Mai,Thailand,is shown in Nong Hoi Station 1 ex. 29. X. 2003. the followings. Alticinae 15. Chaetocnema (Chaetocnema) concinnicollis Inventory Baly Nong Hoi Station 1 ex. 21. X. 2003. Criocerinae 16. Podontia quatuordecimpunctata (Linnaeus) UMEMURA et al:Leaf Beetles in Chiang M ai,Thailand 35 Nong Hoi Station 1 ex. 29. X. 2003. Likitakarn and Miss Orapin Saritrium for their 17. Altica cyanea (Weber) help in field survey. Nong Hoi Station 1 ex. 21. X. 2003. 18. Altica sp. I References Chiang Mai University 3 ex.
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