Abstract
Aquatic insect communities were investigated from the Muonghoa Stream in the Sapa Highland (highest peak 3,143 m), a subtropical mountain stream in northern Vietnam. Field investigations for quantitative (Surber net 50 cm × 50 cm, mesh size 0.2 mm, riffle and pool/run) and qualitative (hand net, mesh size 1 mm) sampling were conducted at nine sites along the watercourse between 27 November and 2 December 2005. As a result, a total of 216 species (the majority of them undescribed) belonging to 139 genera, 61 families, and nine orders were recognized: 53 Ephemeroptera species (24.5%), nine Odonata species (4.2%), 15 Plecoptera species (6.9%), seven Hemiptera species (3.2%), 35 Coleoptera species (16.2%), one Megaloptera species (0.5%), 29 Diptera species (13.4%), 66 Trichoptera species (30.6%), and one Lepidoptera species (0.5%). Trichoptera, Ephemeroptera, and Coleoptera represented the major aquatic insect groups with regard to taxonomic and individual richness, whereas Hemiptera and Odonata were relatively less diverse and abundant than in studies of other tropical Southeast Asian streams. The dominance, richness, and diversity indices (H′) fell within the following ranges [mean ± standard deviation (SD)]: 0.18–0.76 (0.42 ± 0.19), 4.13–9.19 (7.06 ± 1.45), and 1.61–3.22 (2.67 ± 0.55), respectively. Riffle habitats generally yielded numbers of aquatic insect species and individuals approximately twice that sampled in pool/run habitats. Shredders were relatively larger in proportion within the headwater reach, whereas scrapers and collector-gatherers were more abundant in the middle and lower stream reaches. This functional feeding group composition is characteristic of temperate streams in East Asia. The results of detrended correspondence analysis and Bray–Curtis cluster analysis indicated that aquatic insect compositions at the sampling sites were very reflective of the reach characteristics, which evidence gradual changes with altitude and stream order along the stream watercourse. This is the first comprehensive investigation of aquatic insects in highland Southeast Asian regions.
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This work was supported by a Korea Research Foundation Grant (KRF-2005-212-C00002).
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Appendix 1. Aquatic insect taxa in the Muonghoa Stream of Sapa Highland, northern Vietnam
Appendix 1. Aquatic insect taxa in the Muonghoa Stream of Sapa Highland, northern Vietnam
Order Ephemeroptera
Family Leptophlebiidae
1. Choroterpes sp. 1
2. Choroterpes sp. 2
3. Choroterpes vittata
4. Habrophlebiodes prominens
5. Isca fascia
6. Isca sp.
7. Thraulus bishopi
8. Thraulus sp.
Family Potamanthidae
9. Potamanthus sp.
Family Ephemeridae
10. Ephemera sp.
Family Ephemerellidae
11. Cincticostella gosei
12. Cincticostella sp.
13. Epharacella sp.
14. Serratella sp.
15. Torleya arenosa
16. Torleya sp. 1
17. Torleya sp. 2
Family Austremerellidae
18. Vietnamella sp.
Family Caenidae
19. Caenis sp.
Family Isonychiidae
20. Isonychia formosana
Family Heptageniidae
21. Afronurus meo
22. Afronurus mnong
23. Epeorus hieroglyphicus
24. Epeorus aculatus
25. Epeorus bifurcates
26. Epeorus sp.
27. Ecdyonurus cervina
28. Ecdyonurus landai
29. Ecdyonurus sp. 1
30. Ecdyonurus sp. 2
31. Iron martinus
32. Iron sp.
33. Rhithrogena sp.
34. Rhithrogeniella tonkinensis
35. Rhithrogeniella sp.
Family Baetidae
36. Acentrella sp.
37. Baetiella sp. 1
38. Baetiella sp. 2
39. Baetiella sp. 3
40. Baetiella sp. 4
41. Baetis sp. 1
42. Baetis sp. 2
43. Baetis sp. 3
44. Centroptella sp. 1
45. Centroptella sp. 2
46. Heterocloeon sp. 1
47. Heterocloeon sp. 2
48. Labiobaetis sp. 1
49. Nigrobaetis sp. 1
50. Nigrobaetis sp. 2
51. Platybaetis sp. 1
52. Platybaetis sp. 2
53. Procloeon sp.
Order Odonata
Family Calopterygidae
54. Mnais sp.
55. Neurobasis sp.
Family Euphaeidae
56. Bayadera sp.
57. Euphaea sp.
Family Aeshnidae
58. Aeschnophlebia sp.
Family Cordulegastridae
59. Anotogaster sp.
Family Gomphidae
60. Ophiogomphus sp.
Family Libellulidae
61. Brachythemis sp. 1
62. Brachythemis sp. 2
Order Plecoptera
Family Nemouridae
63. Ampinemura sp.
64. Nemoura sp. 1
65. Nemoura sp. 2
66. Protonemura sp.
67. Sphaeronemoura sp.
Family Leuctridae
68. Perlomyia sp.
69. Rhopalopsole sp.
Family Perlidae
70. Acroneuria sp.
71. Kamimuria sp.
72. Kiotina sp
73. Neoperla sp.
74. Tetropina sp.
75. Togoperla sp. 1
76. Togoperla sp. 2
77. Togoperla sp. 3
Order Hemiptera
Family Naucoridae
78. Heleocoris sp.
Family Aphelocheiridae
79. Aphelocheirus sp.
Family Corixidae
80. Micronecta sp.
Family Helotrephidae
81. Helotrephes sp.
Family Hebridae
82. Hyrcanus sp.
83. Nieserius sp.
Family Gerridae
84. Rhyacobates sp.
Order Coleoptera
Family Gyrinidae
85. Gyretes sp.
86. Gyrinus sp.
Family Haliplidae
87. Haliplus sp.
Family Dytiscidae
88. Hydrovatus sp.
89. Rhantus sp.
Family Hydrophilidae
90. Berosus sp.
91. Enochrus sp.
92. Hydrobius sp.
93. Hydrochara sp.
94. Paracymus sp.
Family Hydraenidae
95. Limnebius sp.
96. Ochthebius sp.
Family Lampyridae
97. Luciola sp.
Family Noteridae
98. Hydrocoptus sp.
Family Sciritidae
99. Cyphon sp.
Family Ptilodactylidae
100. Stenocolus sp.
Family Dryopidae
101. Helichus sp.
Family Psephenidae
102. Eubrianax sp. 1
103. Eubrianax sp. 2
104. Psephenoides sp.
105. Psephenus sp.
Family Elmidae
106. Atractelmis sp.
107. Heterlimnius sp.
108. Macronychus sp. 1
109. Macronychus sp. 2
110. Ordobrevia sp.
111. Promoresia sp.
112. Stenelmis sp. 1
113. Stenelmis sp. 2
114. Stenelmis sp. 3
115. Stenelmis sp. 4
116. Zaitzevia sp. 1
117. Zaitzevia sp. 2
118. Zaitzevia sp. 3
119. Zaitzevia sp. 4
Order Megaloptera
Family Corydalidae
120. Protohermes sp.
Order Diptera
Family Tipulidae
121. Antocha sp.
122. Dicranota sp.
123. Hexatoma sp. 1
124. Hexatoma sp. 2
125. Holorusia sp.
126. Limnophila sp.
127. Tipula sp. 1
128. Tipula sp. 2
129. Tipula sp. 3
Family Blephariceridae
130. Blepharicera sp.
131. Philorus sp.
Family Psychodidae
132. Pericoma sp.
Family Simuliidae
133. Prosimulium sp.
134. Simulium sp.
Family Ceratopogonidae
135. Bezzia sp.
Family Chironomidae
136. Chironominae sp. 1
137. Chironominae sp. 2
138. Chironominae sp. 3
139. Chironominae sp. 4
140. Chironominae sp. 5
141. Chironominae sp. 6
142. Chironominae sp. 7
143. Chironominae sp. 8
144. Orthocladiinae sp.
145. Tanypodinae sp. 1
146. Tanypodinae sp. 2
Family Empididae
147. Hemerodromia sp.
Family Tabanidae
148. Tabanus sp. 1
149. Tabanus sp. 2
Order Trichoptera
Family Ecnomidae
150. Ecnomus sp.
Family Hydropsychidae
151. Amphipsyche sp.
152. Arctopsyche sp. 1
153. Arctopsyche sp. 2
154. Arctopsyche sp. 3
155. Ceratopsyche sp. 1
156. Ceratopsyche sp. 2
157. Ceratopsyche sp. 3
158. Ceratopsyche sp. 4
159. Ceratopsyche sp. 5
160. Ceratopsyche sp. 6
161. Ceratopsyche sp. 7
162. Ceratopsyche sp. 8
163. Ceratopsyche sp. 9
164. Cheumatopsyche sp. 1
165. Cheumatopsyche sp. 2
166. Cheumatopsyche sp. 3
167. Cheumatopsyche sp. 4
168. Diplectrona sp.
169. Hydropsyche sp. 1
170. Hydropsyche sp. 2
171. Hydropsyche sp. 3
172. Hydropsyche sp. 4
173. Hydropsyche sp. 5
174. Hydropsyche sp. 6
175. Hydatomaicus sp.
176. Hydromanicus sp. 1
177. Hydromanicus sp. 2
178. Macrostemum sp.
179. Parapsyche sp. 1
180. Parapsyche sp. 2
181. Potamyia sp. 1
182. Potamyia sp. 2
183. Trichomacronema sp.
Family Polycentropodidae
184. Neureclipsis sp.
185. Plectrocnemia sp. 1
186. Plectrocnemia sp. 2
187. Polycentropus sp.
Family Psychomyiidae
188. Lype sp.
189. Psychomyia sp. 1
190. Psychomyia sp. 2
191. Tinodes sp.
Family Philopotamidae
192. Chimarra sp. 1
193. Chimarra sp. 2
194. Dolophilodes sp. 1
195. Dolophilodes sp. 2
196. Wormaldia sp.
Family Stenopsychidae
197. Stenopsyche ulmeri
198. Stenopsyche sp.
Family Glossosomatidae
199. Glossosoma sp.
Family Hydroptilidae
200. Hydroptila sp.
201. Orthotrichia sp.
Family Rhyacophilidae
202. Himalopsyche sp.
203. Rhyacophila sp. 1
204. Rhyacophila sp. 2
205. Rhyacophila sp. 3
Family Hydrobiosidae
206. Apsilochorema sp.
Family Limnephilidae
207. Goera sp.
208. Moselyana sp.
Family Brachycentridae
209. Micrasema sp.
Family Lepidostomatidae
210. Lepidostoma sp. 1
211. Lepidostoma sp. 2
Family Odontoceridae
212. Psilotreta sp. 1
213. Psilotreta sp. 2
Family Leptoceridae
214. Ceraclea sp.
215. Triplectides sp.
Order Lepidoptera
Family Pyralidae
216. Parapoynx sp.
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Jung, S.W., Nguyen, V.V., Nguyen, Q.H. et al. Aquatic insect faunas and communities of a mountain stream in Sapa Highland, northern Vietnam. Limnology 9, 219–229 (2008). https://doi.org/10.1007/s10201-008-0250-8
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DOI: https://doi.org/10.1007/s10201-008-0250-8