Table 2 Mean number of larvae on each host species per week and per year
Year | Host plant | W1 | W2 | W3 | W4 | W5 | W6 | Mean number of larvae |
|---|---|---|---|---|---|---|---|---|
2010 | Q. canariensis | 3.1 ± 1.4 | 7.5 ± 2.7 | 14.7 ± 7.2 | 23.2 ± 7 | 21.2 ± 6.2 | 15.5 ± 3.6 | 12 ± 2 |
Q. afares | 0.4 ± 0.3 | 3.5 ± 1.3 | 4.6 ± 1.6 | 2.7 ± 0.8 | 2.2 ± 1 | 1.9 ± 0.6 | 2.7 ± 0.4 | |
Q. suber | 0 | 0 | 0 | 1.9 ± 0.9 | 1.9 ± 0.8 | 1.4 ± 0.8 | 1.7 ± 0.6 | |
2011 | Q. canariensis | 1.2 ± 0.4 | 9.4 ± 2 | 24.2 ± 5.7 | 20.8 ± 6.3 | 16.8 ± 4.4 | 4.9 ± 2.1 | 12.9 ± 2 |
Q. afares | 0 | 3.6 ± 0.9 | 5.9 ± 1.2 | 3.7 ± 0.8 | 3.1 ± 1 | 0.8 ± 0.5 | 2.8 ± 0.4 | |
Q. suber | 0 | 0 | 0 | 0 | 2.5 ± 1.4 | 4.2 ± 1.5 | 1.13 ± 0.3 | |
2012 | Q. canariensis | 3.5 ± 1.2 | 2.4 ± 1 | 6.3 ± 2.6 | 4 ± 1.3 | 2.3 ± 1 | 2.7 ± 1 | 3.5 ± 0.6 |
Q. afares | 1.7 ± 0.6 | 2.4 ± 0.7 | 3.8 ± 1.3 | 3.3 ± 1.2 | 1.1 ± .5 | 0.8 ± 0.4 | 2.2 ± 0.4 | |
Q. suber | 0 | 0 | 0 | 0 | 0.8 ± 0.5 | 0.4 ± 0.2 | 0.2 ± 0.1 |