Table 1 Summary of midgut infections. Chi squared analysis of numbers of midguts infected with red, green or both trypanosome strains or uninfected (expected numbers in brackets)
| Â | Red strain | ||
|---|---|---|---|
Green strain | Infected | Uninfected | Total |
Infected | 396 (211) | 7 (192) | 403 |
Uninfected | 8 (193) | 360 (175) | 368 |
Total | 404 | 367 | 771 |