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Table 2 Computations for species diversity and dominance index for mosquitoes sampled in sentinel sites

From: Transmission patterns of Plasmodium falciparum by Anopheles gambiae in Benin

 

Allada

Dassa

Parakou

Kandi

Malanville

Species

ni

Pi

ni

Pi

Ni

pi

Ni

pi

ni

Pi

Anopheles gambiae s.l.

143

0.42

219

0.28

1239

0.59

653

0.69

3912

0.87

Anopheles funestus

18

0.05

1

0

0

0

1

0

0

0

Anopheles nili

0

0

0

0

1

0

0

0

5

0

Anopheles pharoensis

11

0.03

0

0

20

0.01

2

0

71

0.02

Anopheles ziemanni

2

0.01

0

0

5

0

0

0

12

0

Anopheles broheri

0

0

0

0

0

0

0

0

1

0

Anopheles coustani

0

0

0

0

0

0

2

0

1

0

Anopheles fuscicolor

0

0

0

0

16

0.01

0

0

0

0

Aedes aegypti

6

0.02

0

0

0

0

3

0

10

0

Aedes vitatus

6

0.02

0

0

0

0

0

0

40

0.01

Aedes luteocephalus

1

0

0

0

2

0

2

0

1

0

Aedes gr. palpalis

0

0

0

0

0

0

0

0

25

0.01

Aedes gr. tarsalis

0

0

0

0

0

0

1

0

0

0

Aedes spp.

0

0

0

0

0

0

13

0.01

4

0

Culex quinquefasciatus

43

0.13

546

0.71

455

0.22

250

0.27

293

0.06

Culex gr decens

4

0.01

0

0

3

0

0

0

2

0

Culex nebulosus

12

0.04

6

0.01

9

0

4

0

10

0

Culex annulioris

1

0

0

0

14

0.01

1

0

25

0.01

Culex fatigans

3

0.01

0

0

5

0

5

0.01

0

0

Culex thalassius

0

0

0

0

0

0

0

0

13

0

Mansonia africana

88

0.26

1

0

320

0.15

3

0

0

0

Coquilletidia cristata

0

0

1

0

0

0

0

0

97

0.02

Total

338

1

774

1

2,089

1

940

1

4,522

1

Taxas _S

13

6

12

12

17

Shannon diversity index

1.66

0.65

1.12

0.78

0.63

Simpsons dominance

0.27

0.59

0.42

0.56

0.75

  1. gr = group; ni = number of species i; Pi = fraction of the entire population made up of species i.