Table 2.
Anopheles larvae composition and abundance in various larval habitat types across landscape zones
| Anopheles larvae identified | Larval habitat type n (%) | Total | Kruskal-Wallis statistics | P-value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Drainage | River edge | Swamp | Animal footprint | Tire track | Manmade pond | Natural pond | Rock pool | Water container | Brick pit | |||||
| Lake-shore | An. gambiae s.l | 448 (29.9) | 28 (1.7) | 244 (16.3) | 82 (5.5) | 161 (10.7) | 469 (31.3) | 68 (4.5) | 0 | 0 | 0 | 1500 | 63.81 | < 0.0001 |
| An funestus | 7 (23.3) | 2 (6.7) | 7 (23.3) | 0 | 3 (10.0) | 11 (36.7) | 0 | 0 | 0 | 0 | 30 | 64.49 | < 0.0001 | |
| An. pharoensis | 4 (100) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 39 | < 0.0001 | |
| An. coustani | 3 (20.0) | 0 | 3 (20.0) | 0 | 0 | 7 (46.7) | 2 (13.3) | 0 | 0 | 0 | 15 | 40.56 | < 0.0001 | |
| Total | 462 (30.3) | 30 (1.9) | 254 (16.4) | 82 (5.3) | 164 (10.6) | 487 (30.6) | 70 (4.5) | 0 | 0 | 0 | 1549 | − 413.8 | < 0.0001 | |
| Hillside | An. gambiae s.l | 202 (42.1) | 45 (9.4) | 29 (6.1) | 25 (5.2) | 17 (3.5) | 95 (19.8) | 55 (11.5) | 9 (1.9) | 2 (0.4) | 0 | 479 | − 942.9 | < 0.0001 |
| An funestus | 1 (14.3) | 0 | 1 (14.3) | 0 | 0 | 5 (71.4) | 0 | 0 | 0 | 0 | 7 | 35.98 | < 0.0001 | |
| An. pharoensis | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | NA | NA | |
| An. coustani | 4 (20.0) | 1 (5.0) | 0 | 0 | 0 | 4 (20.0) | 11 (55.0) | 0 | 0 | 0 | 20 | 69.03 | < 0.0001 | |
| Total | 207 (40.9) | 46 (9.1) | 30 (5.9) | 25 (4.9) | 17 (3.4) | 104 (20.6) | 66 (13.0) | 9 (1.8) | 2 (4.0) | 0 | 506 | 133.44 | < 0.0001 | |
| Highland plateau | An. gambiae s.l | 47 (11.2) | 0 | 31 (7.4) | 9 (2.1) | 12 (2.9) | 76 (18.1) | 34 (8.1) | 2 (4.8) | 15 (3.7) | 193 (46.1) | 419 | 1046 | < 0.0001 |
| An funestus | 6 (31.6) | 0 | 0 | 0 | 6 (31.6) | 0 | 0 | 0 | 0 | 7 (36.8) | 19 | 55.21 | < 0.0001 | |
| An. pharoensis | 1 (100) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | NA | NA | |
| An. coustani | 0 | 0 | 0 | 0 | 0 | 0 | 1 (9.1) | 0 | 0 | 10 (90.9) | 11 | 88.98 | < 0.0001 | |
| Total | 54 (12.0) | 0 | 32 (7.1) | 9 (2.0) | 18 (4.0) | 76 (16.9) | 35 (7.8) | 2 (0.4) | 15 (3.3) | 209 (46.4) | 450 | 2100 | < 0.0001 | |
| Overall | An. gambiae s.l | 697 (29.1) | 73 (3.0) | 304 (12.7) | 116 (4.8) | 190 (7.9) | 640 (26.7) | 157 (6.5) | 11 (0.5) | 17 (0.7) | 193 (8.0) | 2398 | 580.2 | < 0.0001 |
| An funestus | 14 (25.0) | 2 (3.6) | 9 (16.1) | 0 | 9 (16.1) | 16 (28.6) | 0 | 0 | 0 | 6 | 56 | 96.34 | < 0.0001 | |
| An. pharoensis | 5 (100) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 47.77 | < 0.0001 | |
| An. coustani | 7 (15.2) | 1 (2.2) | 3 (6.5) | 0 | 0 | 11(23.9) | 14 (30.4) | 0 | 0 | 10 (21.7) | 46 | 63.73 | < 0.0001 | |
| Total | 723 (28.9) | 76 (3.0) | 316 (12.6) | 116 (4.6) | 199 (7.9) | 667 (26.6) | 171 (6.8) | 11 (0.4) | 17 (0.7) | 209 (8.3) | 2505 | − 17.19 | < 0.0001 | |
n: Number
(%): Proportion