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Table 2 Summary of mosquito fitness of West Nile virus susceptible (S), resistant (R), or unexposed Cx. pipiens following feeding on WNV WT, WNV MP20, or non-infectious (UNEXP) bloodmeals

From: The evolution of virulence of West Nile virus in a mosquito vector: implications for arbovirus adaptation and evolution

  UNEXP WNV WT S WNV WT R WNV MP20 S WNV MP20 R
N 66 39 31 50 17
wing (mm)1 3.57 3.59 3.56 3.57 3.58
MST (d)2 23.8 21.5 22.5 16.9 16.9
larv/female3 46.7+/−10.3 49.9+/−14.7 42.7+/−14.4 57.6+/−10.0 42.8+/−14.7
Ro4 52.8 49.0 46.3 48.5 51.8
T (d)5 16.4 15.3 16.6 13.7 12.2
r6 0.31 0.26 0.23 0.28 0.32
  1. 1 mean wing lengths.
  2. 2 mean survival time.
  3. 3 mean larvae/female +/− SEM.
  4. 4 net reproductive output.
  5. 5 generation time.
  6. 6 intrinsic rate of population increase.