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Table 1 Temperature, RH and corresponding partial pressure of water vapour differences in the air streams

From: Water vapour and heat combine to elicit biting and biting persistence in tsetse

Temperature increase [°C]

RH increase [%]

Partial pressure of water vapor increase [hPa]

Number of flies tested

   

Male

Female

Total

0.2 ± 0.2

1.1 ± 0.5

0.4 ± 0.2

20

21

41

10.8 ± 1.1

3.4 ± 0.3

19

20

39

60.6 ± 0.4

18.0 ± 0.2

30

20

50

75.4 ± 0.7

23.5 ± 0.5

20

20

40

3.0 ± 0.2

1.4 ± 0.04

1.0 ± 0.02

0

10

10

11.1 ± 0.3

4.5 ± 0.1

0

10

10

60.0 ± 0.4

22.4 ± 0.2

0

10

10

13.1 ± 0.1

0.2 ± 0.2

2.7 ± 0.2

14

20

34

10.5 ± 0.4

9.4 ± 0.3

20

28

48

34.5 ± 0.6

24.7 ± 0.3

20

20

40

60.0 ± 0.6

41.8 ± 0.5

20

20

40

 

72.4 ± 1.3

49.8 ± 0.8

21

18

39

  1. Values are means ± SD for the physical parameters; number of flies of each sex tested with each treatment is also provided. Water vapour partial pressure was calculated for treatments by multiplying the RH by the saturation pressure [23] at an atmospheric pressure of 951 hPa.