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Table 1 Effects of marker size, mosquito sex, number of swarming mosquitoes and number of released mosquitoes on swarm characteristics in An. coluzzii in laboratory setups (design 2)

From: Sex aggregation and species segregation cues in swarming mosquitoes: role of ground visual markers

 Marker sizeaMosquito sexNo. of swarming mosquitoes
20 cm60 cmχ2dfP-valueMalesFemalesχ2dfP-valueχ2dfP-value
Swarm dimensions (± SE) (cm)
 Maximal73.0 ± 1.1139.0 ± 1.3168.901< 0.001110.9 ± 7.0101.0 ± 6.80.4810.48411.871< 0.001
 Nucleus53.2 ± 0.9106.8 ± 1.2134.301< 0.00184.0 ± 5.876.0 ± 5.50.000310.9802.0910.147
 Minimal31.1 ± 0.964.3 ± 0.9360.801< 0.00150.7 ± 3.544.7 ± 3.52.9910.08335.891< 0.001
 Amplitude41.9 ± 0.974.7 ± 1.074.061< 0.00160.2 ± 3.756.4 ± 3.42.5910.1074.9710.025
 Width32.0 ± 0.852.1 ± 1.851.381< 0.00147.4 ± 2.736.7 ± 1.76.0110.0149.0710.002
Swarm sizeb (± SE)
 No. of swarming mosquitoes19.2 ± 1.944.9 ± 6.110.6510.00150.5 ± 5.113.7 ± 0.676.731< 0.001nanana
  1. aAn. coluzzii mosquitoes swarmed only in presence of a marker
  2. bSwarm size expressed as the number of swarming mosquitoes
  3. Abbreviations: SE, standard error; na, not included in the analyses
  4. Note: Significant P-values are in bold