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Table 4 Farm and OVI-trap collection site habitat characteristics with total Culicoides abundance and catch break-down (%) per farm and relative density (low; +, medium; ++, high; +++) of habitat classes

From: Culicoides species composition and abundance on Irish cattle farms: implications for arboviral disease transmission

Farm ID

1

2

3

4

5

6

7

8

9

10

Total no. Culicoides

257

4001

1687

4285

1651

1549

2257

3040

2105

3022

C. obsoletus/C. scoticus (%)

25

27

33

36

43

27

43

62

43

32

C. dewulfi (%)

32

35

51

42

30

55

24

17

44

39

C. pulicaris (%)

19

12

4

10

16

4

7

6

4

14

C. punctatus (%)

6

13

2

2

1

2

12

1

2

2

C. chiopterus (%)

12

2

5

8

1

10

6

1

6

3

 Other Culicoides species

6

11

4

2

9

2

7

13

2

10

Animals (No.)

          

 Bovines

230

180

212

390

169

241

324

677

106

142

 Ovines

100

     

26

   

Altitude (m)

76

128

177

45

131

79

37

70

81

84

Grassland

 Improved

+++

+++

+++

+++

+++

+++

+++

+++

+++

+++

 Semi-improved

    

++

 

+

 

+

+

 Marshy

    

+

     

Woodland/Scrub

 Broadleaf

 

++

++

++

++

 

+++

+

+++

+

 Coniferous

+

+

 

++

+

  

++

  

 Scrub

    

+

  

+

++

+

Boundaries/Margins

 Native woodland species

+

+++

++

+++

+++

+

+

++

+++

+++

 Non-native shrub/tree species

+

+

+

+

+

+

  

+

+

 Stone walls

+++

   

++

     

Scattered trees

 Broadleaf

+

+

+

++

+

 

++

+++

+

+

 Coniferous

  

+

+

+

    

+

Cow roadways

+++

++

+

+

+

+++

+++

+++

+

++

Waterways/ditches

 Stream

P

 

P

 

P

     

 River

   

P

 

P

P

 

P

P

 Dry ditch

P

P

  

P

P

 

P

P

P

OVI-trap distance (m) from

 Farmyard

100

150

100

100

10

150

500

20

25

20

 Manure storage point

150

150

75

150

50

150

500

20

50

20

  1. Abbreviation: P, present