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Table 3 Summary of mosquitoes collected in the rainy season in East and West Kenya

From: Mosquito arbovirus survey in selected areas of Kenya: detection of insect-specific virus

Study area East Kenya East Kenya West Kenya West Kenya West Kenya
Study site Kwale Mombasa Busia Kakamega (Mukumu) Kakamega (Isecheno)
Collection methods employed (number of trap sessions)# As; 48, BG; 30, CDC; 16, GT; 22 As; 30, BG; 13, CDC; 12, GT; 17 As; 36, BG; 18, CDC; 12, GT; 15 As; 39, BG; 15, CDC; 18, GT; 18 As; 39, BG; 15, CDC; 21, GT; 21
Methods collected mosquitoes (number of trap sessions)# As; 42, BG; 25, CDC; 11, GT; 22 As; 28, BG; 12, CDC; 11, GT; 17 As; 36, BG; 17, CDC; 12, GT; 15 As; 34, BG; 13, CDC; 16, GT; 15 As; 20, BG; 8, CDC; 11, GT; 17
Collection period (days) May 9–12, 2012 (4 days) May 15–17, 2012 (3 days) May 25–27, 2012 (3 days) June 2–4, 2012 (3 days) June 6–8, 2012 (3 days)
Number of houses 13 houses 13 houses 13 houses 13 houses 13 houses
Species Physiological status No. collected Pool Positive pool No. collected Pool Positive pool No. collected Pool Positive pool No. collected Pool Positive pool No. collected Pool Positive pool
Aedes sp. Male     2            
Unfed 3    2    1       1   
Ae. aegypti Male     2            
Unfed 11 8 0 49 14 1* 4 8 0 3 3 0 2 2 0
Gravid 2 7 6 1 1
An. brumripes Unfed 1             2   
An. funestus Male        3         
Fed        5         
Unfed        59 7 0       
Gravid        2       
An. gambiae s.l. Male        22         
Fed 2       37       3   
Unfed 18 3 0     402 34 1 3 4 0 3 3 0
Gravid        9 1    
An. garnhami Fed           1      
Unfed 6               
An. parensis Unfed 1               
An. rivulorum Unfed        4 3 0       
Gravid           1 1 0    
Anopheles sp. Male 1               
Fed 2               
Unfed 6       2    1      
Gravid              1   
Cx. decens Male              1   
Gravid              1   
Cx .quinquefasciatus Male 355    540    1554    332    38   
Fed 202    351    331    840    79   
Unfed 106 106 0 443 52 1* 1243 113 52*** 472 46 1** 53 7 0
Gravid 1867 554 906 431 79
Cx. simpsoni Unfed        1         
Cx. univiittetus Unfed        1         
Culex sp. Male     3            
Fed 3    1            
Unfed 4    2       1    0   
Gravid 1    1          3   
Lutzia Gravid        2         
Others Male     2            
Unfed 1    15    3         
Gravid        1         
Total   2592 117 0 1974 66 2 4598 165 53 2087 54 1 267 12 0
  1. Note: We used only unfed and gravid mosquitoes for the pools to detect arboviruses. Unfed and gravid mosquitoes were separated into each category, but some of them were combined into one pool
  2. *The pool comprised only gravid mosquitoes
  3. **The pool comprised only unfed mosquitoes
  4. ***Pools consisted of unfed and gravid mosquitoes
  5. #Abbreviations of “collection methods” are As aspirator, BG BG sentinel trap, CDC CDC light trap, GT CDC gravid trap