Appendix C. Egg parasitism data from site Veneto Tregnago.
Veneto Tregnago: 11°10’E 45°30’N, m 500
Plantation of Pinus nigra, tree height 5–8 m, egg batches (no. 38) sampled from lower branches of 38 trees in March 2004.
Emergence of the second generation of egg parasitoids monitored under outdoor conditions in laboratory during spring and summer of 2004.
Source: D. Zovi and A. Battisti, unpublished data.
Egg batch |
Eggs |
Hatched |
Op |
Bs |
Others |
1 |
216 |
208 |
2 |
0 |
0 |
2 |
270 |
216 |
1 |
5 |
3 |
3 |
243 |
108 |
15 |
20 |
0 |
4 |
231 |
165 |
18 |
3 |
0 |
5 |
277 |
187 |
3 |
34 |
0 |
6 |
117 |
75 |
10 |
12 |
0 |
7 |
261 |
120 |
4 |
91 |
1 |
8 |
222 |
183 |
1 |
0 |
0 |
9 |
261 |
195 |
6 |
11 |
0 |
10 |
264 |
186 |
0 |
10 |
0 |
11 |
249 |
207 |
1 |
14 |
0 |
12 |
247 |
147 |
7 |
26 |
0 |
13 |
264 |
194 |
7 |
19 |
0 |
14 |
240 |
231 |
2 |
0 |
0 |
15 |
276 |
221 |
1 |
0 |
0 |
16 |
307 |
136 |
8 |
1 |
0 |
17 |
211 |
150 |
20 |
6 |
0 |
18 |
228 |
154 |
2 |
0 |
0 |
19 |
312 |
200 |
17 |
2 |
0 |
20 |
237 |
109 |
2 |
1 |
0 |
21 |
267 |
220 |
1 |
0 |
0 |
22 |
193 |
144 |
13 |
7 |
0 |
23 |
297 |
209 |
12 |
17 |
0 |
24 |
213 |
177 |
6 |
25 |
0 |
25 |
255 |
152 |
14 |
23 |
0 |
26 |
240 |
176 |
15 |
28 |
0 |
27 |
280 |
270 |
2 |
0 |
0 |
28 |
192 |
154 |
12 |
13 |
0 |
29 |
257 |
114 |
17 |
42 |
0 |
30 |
204 |
146 |
11 |
32 |
0 |
31 |
192 |
130 |
15 |
21 |
0 |
32 |
167 |
107 |
9 |
17 |
0 |
33 |
223 |
103 |
16 |
25 |
0 |
34 |
198 |
163 |
11 |
23 |
0 |
35 |
267 |
199 |
5 |
0 |
0 |
36 |
261 |
184 |
3 |
34 |
0 |
37 |
165 |
137 |
12 |
24 |
0 |
38 |
249 |
148 |
12 |
28 |
0 |
Mean |
238.2 |
166.4 |
8.2 |
16.2 |
0.1 |
SE |
6.6 |
6.9 |
1.0 |
2.8 |
0.1 |
% paras. |
10.28 |
||||
% Op |
33.62 |
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% Bs |
65.95 |
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% others |
0.43 |
Op: Ooencyrtus pityocampae
Bs: Baryscapus servadeii
Others: minor species of egg parasitoids