Table 1. Analysis of variance tables for the analysis of wing length and wing width for female Anopheles gambiae s.s. right wings collected in Mali and Guinea-Bissau for the factors: country of origin for the mosquito specimen, molecular form (M or S), and the interaction of these factors.
| Factor | Mean Square | d.f. | F | p-value |
| Wing Length | ||||
| Country | 2331.398 | 1 | 10.654 | 0.002* |
| Form | 140.531 | 1 | 0.642 | 0.425 |
| Form×Country | 3.589 | 1 | 0.016 | 0.898 |
| Error | 218.821 | 92 | ||
| Wing Width | ||||
| Country | 271.825 | 1 | 15.091 | <0.001* |
| Form | 27.990 | 1 | 1.554 | 0.215 |
| Form×Country | 75.942 | 1 | 4.216 | 0.042* |
| Error | 18.012 | 108 |
*indicates a significant difference at the α = 0.05 level.