Table 5 Prey categories in the diet of N. microspilotus

Annelida-Lumbricidae (aq-ad)

22

4.5

11

8.4

1,121.67

15.12

9.34

Amphipoda-Gammaridae (aq- ad)

48

9.82

14

10.69

722.77

9.74

10.8

Diptera-Mycetophilidae (aq-l)

120

24.54

18

13.74

282.85

3.83

14.03

Diptera-Cecidomyiidae (aq-l)

13

2.66

8

6.11

512.1

6.90

5.22

Hemiptera-Veliidae (t-ad)

4

0.82

3

2.29

105.11

1.42

1.51

Coleoptera-Dytiscidae (aq-l and ad)

5

1.02

3

2.29

48.31

0.65

1.32

Coleoptera-Elmidae (t-ad)

1

0.2

1

0.76

50.29

0.68

0.55

Ephemeroptera-Baetidae (aq-l)

96

19.63

9

6.87

1,078.54

14.54

13.68

Ephemeroptera- Heptageniidae (aq-l)

9

1.84

4

3.05

684.56

9.23

4.71

Trichoptera-Hydropsychidae (aq-l)

25

5.11

10

7.63

66.42

0.9

4.55

Hymenoptera-Formicidae (t-ad)

3

0.61

2

1.53

55.47

0.75

0.96

Mesogastropoda-Bithynidae (aq-ad)

9

1.84

5

3.82

276.35

3.73

3.13

Veneroida-Corbiculidae (aq-ad)

117

23.93

4

3.05

795.43

10.72

12.57

Tricladida-Planariidae (aq-ad)

8

1.64

3

2.29

462

6.23

3.39

Orthoptera-Caelifera (t-ad)

5

1.02

3

2.29

65.12

0.88

1.4

Eggs (of themselves)

4

0.82

4

0.818

2

1.53

0.90

Ston

0

0

18

13.74

652.48

8.8

7.51

Plant remains

0

0

13

9.92

241.1

3.25

4.39

Unidentified arthropod remains

0

0

0

0

171.5

2.31

0.77

Total

489

7,417.54