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Table 2 Abundance of black flies, frequency of occurrence (FO) and stream occurrence (SO) from 24 collections at 18 fixed-streams in Peninsular Malaysia

From: Distribution pattern of black fly (Diptera: Simuliidae) assemblages along an altitudinal gradient in Peninsular Malaysia

Species

Number of specimens

%

%

FO

SO

S. (Gomphostilbia) adleri Jitklang & Kuvangkadilok, 2008

3

0.7

5.6

S. (Gomphostilbia) angulistylum Takaoka & Davies, 1995

347

14.8

55.6

S. (Gomphostilbia) asakoae Takaoka & Davies, 1995

837

7.6

55.6

S. (Gomphostilbia) brinchangense Takaoka et al., 2014

11

0.7

11.1

S. (Gomphostilbia) burtoni Takaoka & Davies, 1995

19

3.0

16.7

S. (Gomphostilbia) cheongi Takaoka & Davies, 1995

12

2.3

22.2

S. (Gomphostilbia) decuplum Takaoka & Davies, 1995

176

15.5

61.1

S. (Gomphostilbia) duolongum Takaoka & Davies, 1995

3

0.7

11.1

S. (Gomphostilbia) gombakense Takaoka & Davies, 1995

117

10.0

50.0

S. (Gomphostilbia) izuae Takaoka et al., 2013

333

11.8

55.6

S. (Gomphostilbia) longitruncum Takaoka & Davies, 1995

1

0.2

5.6

S. (Gomphostilbia) lurauense Takaoka et al., 2013

26

3.2

33.3

S. (Gomphostilbia) roslihashimi Takaoka & Sofian-Azirun, 2011

112

9.3

55.6

S. (Gomphostilbia) sheilae Takaoka & Davies, 1995

120

4.4

44.4

S. (Gomphostilbia) sofiani Takaoka & Hashim, 2011

31

3.2

16.7

S. (Gomphostilbia) sp. (nr. parahiyangum)a

54

6.5

38.9

S. (Gomphostilbia) tanahrataense Takaoka et al., 2014

1

0.2

5.6

S. (Gomphostilbia) trangense Jitklang et al., 2008

312

6.7

38.9

S. (Gomphostilbia) whartoni Takaoka & Davies, 1995

709

21.5

77.8

S. (Nevermannia) aureohirtum Brunetti, 1911

103

4.9

27.8

S. (Nevermannia) caudisclerum Takaoka & Davies, 1995

17

0.7

5.6

S. (Nevermannia) sp. (nr. feuerborni) a

688

16.2

44.4

S. (Nevermannia) kurtaki Takaoka & Davies, 1995

1

0.2

5.6

S. (Simulium) bishopi Takaoka & Davies, 1995

305

13.2

77.8

S. (Simulium) brevipar Takaoka & Davies, 1995

122

10.6

77.8

S. (Simulium) digrammicum Edwards, 1928

1

0.2

5.6

S. (Simulium) grossifilum Takaoka & Davies, 1995

106

8.3

50.0

S. (Simulium) hackeri Edwards, 1928

96

3.7

11.1

S. (Simulium) hirtinervis Edwards, 1928

63

3.0

33.3

S. (Simulium) jeffreyi Takaoka & Davies, 1995

442

8.3

11.1

S. (Simulium) malayense Takaoka & Davies, 1995

188

8.6

38.9

S. (Simulium) nobile De Meijere, 1907

42

1.6

5.6

S. (Simulium) sp. (nr. grisescens)a

7

0.2

5.6

S. (Simulium) tani Takaoka & Davies, 1995

2669

31.7

66.7

S. (Simulium) yongi Takaoka & Davies, 1997

11

1.9

16.7

  1. aUndetermined species, which probably are new species