TAXA

DATE

05/24/95

06/14/95

07/30/95

09/20/95

10/25/95

12/06/95

06/04/96

Ephemeroptera (mayflies)

Baetidae; Acentrella

8

13

3

1

  Baetis

1

3

1

2

4

Ephemerellidae; Attenella

5

9

1

10

  Drunella

1

3

  Ephemerella

6

1

1

1

19

Heptageniidae; Cinygmula

1

  Epeorus

1

3

  Stenonema

1

1

Isonychiidae; Isonychia

1

1

Leptophlebiidae; Paraleptophlebia

1

Plecoptera (stoneflies)

Capniidae; Allocapnia

3

7

Nemouridae

3

2

Amphinemura

2

1

16

Perlidae; Acroneuria

1

1

  Isoperla

7

  Remenus

1

Taeniopterygidae; Taeniopteryx

22

20

Tricoptera (caddisflies)

Hydropsychidae; Cheumatopsyche

2

3

1

  Diplectrona

1

  Hydropsyche

4

4

52

94

47

14

1

Hydroptilidae; Ochrotrichia

1

Rhyacophilidae; Rhyacophila

1

Diptera (true flies)

Empididae; Hemerodromia

2

7

2

1

1

5

Tipulidae

1

  Antocha

1

1

  Dicranota

1

  Tipula

1

6

Chironomidae

78

43

37

1

1

5

12

Megaloptera (dobson-, fishflies)

Corydalidae; Nigronia

2

1

1

1

1

Odonata (dragon-, damselflies)

Aeshnidae; Lanthus

1

Coleoptera (aquatic beetles)

Elmidae

1

3

4

8

16

11

5

Non-Insect Taxa

Asellidae; Caecidotea

1

Planorbidae

4

Total Number Taxa

12

13

11

7

9

17

20

Number of Grids

14

23

8

20

27

28

21

Subsample Size

110

103

106

105

104

90

107

¹Source: Earle (2001)