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Table 2 A key table indicates the collected species number, stage, abundance and positive RT-PCR samples from White Nile state.

From: Role of Culex and Anopheles mosquito species as potential vectors of rift valley fever virus in Sudan outbreak, 2007

Species Total no. of collected species Stage Species abundance* No. of positive PCR samples
   Larva Pupa Male Female   
An. gambiae arabiensis 384 28 4 30 322 80.7% 3L+2 M+26F** = 31
An. coustani 14 2 - 2 10 2.9% 1L+2F = 3
Cx. pipiens complex 42 22 4 - 16 8.8% 4L+1F*** = 5
Cx. poicilipes 8 6 - - 2 1.7% 1F = 1
Ae. aegypti 24 22 - - 2 5.0% 8L+2F**** = 10
Ae. mcintoshi 2 - - - 2 0.4% 0
Ae. vexans 2 2 - - - 0.4% 0
Total 476 82 8 32 354 100% 50
  1. * Abundance = number of individuals of one species/total number of mosquitoes collected (approximated to one decimal).
  2. ** 24 gravid + 2 ungravid females.
  3. *** Gravid females.
  4. **** Ungravid female.