| M form | S form |
---|---|---|
Ecological niche | Â | Â |
Fundamental niche | Â | Â |
Breadth | Limited, mainly restricted to the forest biome South of the country | Large, encompassing all biogeographic domains |
Discriminant EGVs | Rainforest landscape, high Water Vapor Pressure, High rainfall, Proximity of permanent water bodies | Sunlight exposure, High temperature and evapotranspiration, "open" landscapes (savannas, croplands) |
Overlap | Extensive overlap with S Limited overlap with An. arabiensis | Limited overlap with M Large overlap with An. arabiensis |
Realized niche | Â | Â |
Geographical distribution | Patchy | Continuous |
Co-occurrence | Extensive sympatry with S Limited sympatry with An. arabiensis | Extensive sympatry with M (South) Extensive sympatry with An. arabiensis (North) |
Chromosome-2 polymorphism | ||
Level of polymorphisma | Low (1/Σpi2 = 1.71) | High (1/Σpi2 = 7.41) |
No. of karyotypes observed | 12 | 29 |
No. of "private" karyotypesb | 1 | 18 |
Segregation of karyotypes along environmental gradients | Yes | Yes |
Segregation of karyotypes in chromosomal clusters | Yes | Yes |