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Table 1 Entomological indices and natural trypanosome infection rates of triatomines collected on squirrel’s nests in two rural communities in southern Ecuador

From: Influence of ecological factors on the presence of a triatomine species associated with the arboreal habitat of a host of Trypanosoma cruzi

Community

Squirrel nests

Triatomines

    

Nymphs

Adults

 

Entomological indices

Trypanosoma infection (%)

 

N

Infested

With nymphs

I

II

III

IV

V

F

M

Total

In (%)

D

CW

C (%)

Total

TC

TR

Mx

Bellamaría

26

15

9

14

19

39

44

70

34

28

248

57.7

9.5

16.5

60

117

23.9

43.6

19.7

Bellamaría Chico

6

5

3

5

10

0

0

0

1

1

17

83.3

2.8

3.4

60

10

60.0

40.0

0.0

Chaquizcha

10

5

3

1

12

12

3

0

0

5

33

50.0

3.3

6.6

60

18

50.0

38.9

5.6

Total

42

25

15

20

41

51

47

70

35

34

298

59.5

7.1

11.9

60

145

29.7

42.8

16.6

  1. Abbreviations: F female, M male, In infestation index, D density, CW crowding, C colonization, TC T. cruzi, TR, T. rangeli, Mx mixed infection T. cruzi + T. rangeli