Table 1
Statistical analyses comparing the effects of season, locality, and species on phenotypic traits in Anopheles mosquitoes. Results present probabilities from Chi-square (χ2) tests for gonotrophic dissociation, Fisher’s exact tests for fat body hypertrophy (lipid droplets and fat deposits), and linear mixed model (LMM) analyses for wing centroid size. Significant differences (p < 0.05) indicate the influence of season (rainy vs. dry), study locality (Bama vs. Soumousso), and interspecific variation (Anopheles coluzzii, Anopheles gambiae, and Anopheles arabiensis) on these traits.
| Parameters | Type of comparison Species and/or locality | p-value | |
|---|---|---|---|
| Gonotrophic dissociation | Rainy season vs dry season | An. coluzzii (Bama) | 0.018 |
| An. coluzzii (Soumousso) | 0.046 | ||
| An. gambiae (Soumousso) | 0.979 | ||
| An. arabiensis (Soumousso) | 0.174 | ||
| Permanent site vs temporary site | An. coluzzii | 0.452 | |
| An. coluzzii vs An. gambiae Soumousso | 4.156e-11 | ||
| An. coluzzii vs An. arabiensis Soumousso | 0.026 | ||
| An. gambiae vs An. arabiensis Soumousso | 0.002 | ||
| Lipid droplets | Rainy season vs dry season | An. coluzzii (Bama) | < 2.2e-16 |
| An. coluzzii (Soumousso) | 0.002 | ||
| An. gambiae (Soumousso) | 0.028 | ||
| An. arabiensis (Soumousso) | 0.112 | ||
| Permanent site vs temporary site | An. coluzzii | 8.963e-05 | |
| An. coluzzii vs An. gambiae Soumousso | 2.288e-10 | ||
| An. coluzzii vs An. arabiensis Soumousso | 1 | ||
| An. gambiae vs An. arabiensis Soumousso | 0.027 | ||
| Fat deposits | Rainy season vs dry season | An. coluzzii (Bama) | 0.0001 |
| An. coluzzii (Soumousso) | 1.412e-06 | ||
| An. gambiae (Soumousso) | < 2.2e-16 | ||
| An. arabiensis (Soumousso) | < 2.2e-16 | ||
| Permanent site vs temporary site | An. coluzzii | 9.337e-15 | |
| An. coluzzii vs An. gambiae Soumousso | 2.816e-12 | ||
| An. coluzzii vs An. arabiensis Soumousso | 0.003 | ||
| An. gambiae vs An. arabiensis Soumousso | 0.007 | ||
| Adult centroid size | Rainy season vs dry season | An. coluzzii | 3e-04 |
| An. gambiae | 0.312 | ||
| An. arabiensis | 0.441 | ||
| An. coluzzii vs An. gambiae Soumousso | 0.092 | ||
| An. coluzzii vs An. arabiensis Soumousso | 0.129 | ||
| An. gambiae vs An. arabiensis Soumousso | 0.001 | ||
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