Orders

Famillies

Taxa

Sampling sites

Feeding groups

Relative contribution (%)

K1

K2

K3

K4

Ephéméroptera

Baetidae

Baetis sp.

**

**

*

*

gc

0.90

Cloeon sp.^(MA)

***

**

*

**

gc

6.15

Procleon sp.

*

gc

0.05

Caenidae

Caenis sp.

**

gc

0.04

Ephemeridae

Eatonica sp.

*

pre

0.02

Polymitarcydae

Povilla adusta

**

*

gc

0.09

Tricorythidae

Tricorythys sp.

*

­-

0.07

Odonata

Coenagrionidae

Ceriagrion sp.

**

*

*

*

pre

0.52

Pseudagrion sp.

*

*

***

***

pre

2.28

Libellulibidae

Bradinopygas sp.

**

*

pre

0.43

Chalcostephia sp.

*

pre

0.38

Crocothemis sp.

**

**

*

pre

0.61

Libellula sp.

*

pre

0.04

Macrodiplax sp.

**

*

**

*

pre

1.49

Pantala flavescens

*

*

*

pre

0.38

Trithemis dorsalis

**

*

*

pre

0.25

Urothemis sp.

*

pre

0.20

Zygonyx torrida

**

pre

0.09

Heteroptera

Belostomatidae

Diplonychus sp.

***

***

***

**

pre

2.28

Gerridae

Eurymetra sp.

**

*

**

**

pre

0.22

Limnogonus sp.

**

pre

0.04

Rhagadotarsus sp.

**

*

pre

0.16

Hydrometridae

Hydrometra sp.

*

pre

0.02

Naucoridae

Laccocoris sp.

**

*

*

pre

0.58

Naucoris sp.

*

**

**

*

pre

1.19

Nepidae

Ranatra linearis

**

*

pre

0.07

Notonectidae

Anisops sp.

*

pre

0.04

Notonecta sp.

*

*

pre

0.09

Pleidae

Plea sp.

*

*

pre

0.05

Veliidae

Microvelia sp.

*

**

**

pre

3.94

Rhagovelia sp.

*

*

*

pre

0.52

Trichoptera

Ecnomidae

Ecnomus sp.

*

**

*

fc

0.11

Hydropsychidae

Polymorphanisus sp.

*

**

fc

0.09

Cheumatopsyche sp.

*

fc

0.02