|
Class
|
Order
|
Family
|
Species
|
No. of individuals (%)
|
Wet weight (%)
|
|---|
|
Insects
|
Ephemeroptera
|
Potamanthidae
| |
−
|
−
|
| | |
Baetidae
| |
0.4
|
0.05
|
| | |
Ephemerellidae
| |
12.5
|
27.2
|
| | |
Heptageniidae
| |
4.8
|
6.8
|
| |
Plecoptera
|
Perlidae
| |
0.04
|
0.5
|
| | |
Taeniopterygidae
| |
−
|
−
|
| | |
Nemouridae
| |
0.1
|
0
|
| | |
Capniidae
| |
0.1
|
0.05
|
| | |
Others
| |
0.3
|
0.05
|
| |
Hemiptera
|
Aphelocheiridae
| |
−
|
−
|
| |
Megaloptera
|
Corydalidae
|
Protohermes grandis
|
−
|
−
|
| |
Trichoptera
|
Hydropsychidae
| |
7.1
|
13.2
|
| | |
Stenopsychidae
|
Stenopsyche marmorata
|
0.2b
|
6
|
| | |
Rhyacophilidae
| |
1.4
|
1.8
|
| | |
Others
| |
0.04
|
0.05
|
| |
Coleoptera
|
Elmidae
| |
0.04
|
0
|
| | |
Psephenidae
| |
3.7
|
11.1
|
| |
Diptera
| | |
69.5 (Est.)
|
33 (Est.)
|
| | | | |
Total: 2269
|
Total: 18.7 g
|
|
Crustacea
|
Amphipoda
| | |
−
|
−
|
|
Annelida
|
Oligochaeta
| | |
−
|
−
|
|
Platyhelminthes
|
Tubellaria
| | |
−
|
−
|
|
Pisces
| | |
Rhinogobius flumineus
|
−
|
−
|
-
aThe fishing session lasted 9 min in total. The fisherman prospected the riverbed one meter and half away from the four-hand net. Insects were caught behind the four-hand net with a seine net (size: 400 cm (long), 70 cm (high), 1 mm (mesh size). Insects escaped from both sizes on 20 cm
-
bAll instars are of stage 5
