|
Table 1.
Number of insects per male inflorescences in different stages of anthesis and estimated
number of pollinator insects per area in three diffrent months of the year (Coto).
(Average of three inflorescences in each stage of anthesis)
|
Stage
of
anthesis |
Inflorescences
per hectare
in each stage |
March |
June |
October |
Insects
/Inflores. |
Insects
/ ha |
Insects
/Inflores. |
Insects
/ ha |
Insects
/Inflores. |
Insects
/ ha |
| Mar |
Jun |
Oct |
M.c |
E.k |
M.c |
E.k |
M.c |
E.k |
M.c |
E.k |
M.c |
E.k |
M.c |
E.k |
|
| 4 years old palms |
1 |
0.9 |
2.2 |
2.3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2 |
0.9 |
2.2 |
3.6 |
518 |
658 |
464 |
590 |
336 |
1690 |
753 |
3789 |
0.7 |
541 |
2.4 |
1967 |
3 |
3.1 |
2.2 |
0.9 |
1630 |
1776 |
5115 |
5574 |
6831 |
19113 |
15316 |
42854 |
8.3 |
1517 |
7.5 |
1379 |
4 |
1.3 |
3.6 |
2.7 |
1968 |
4402 |
2647 |
5922 |
10971 |
20677 |
39358 |
74177 |
8.0 |
1980 |
21.8 |
5400 |
5 |
1.6 |
1.8 |
0.5 |
3808 |
3540 |
5122 |
4762 |
5612 |
28244 |
10066 |
50662 |
3.3 |
1186 |
1.5 |
539 |
6 |
2.7 |
3.1 |
2.3 |
10855 |
5188 |
29206 |
13958 |
11546 |
7061 |
36243 |
22165 |
13.0 |
712 |
29.5 |
1618 |
7 |
0.4 |
0.4 |
0.9 |
7225 |
2678 |
3240 |
1200 |
8832 |
5198 |
3960 |
2231 |
2.0 |
616 |
1.8 |
560 |
| Total |
|
|
|
26004 |
18242 |
45794 |
32006 |
44128 |
81983 |
105696 |
195978 |
35.3 |
6552 |
65 |
11463 |
| 11 years old palms |
1 |
0.6 |
1.7 |
1.2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
4.3 |
1.4 |
0.5 |
1642 |
3720 |
1766 |
1368 |
348 |
4154 |
475 |
5671 |
51 |
4030 |
24.0 |
1919 |
3 |
1.2 |
3.1 |
0.7 |
10266 |
7976 |
26384 |
6770 |
4703 |
16671 |
14446 |
51208 |
47 |
3178 |
33.6 |
2270 |
4 |
1.9 |
1.4 |
1.2 |
48656 |
52748 |
72141 |
29097 |
2342 |
43005 |
3197 |
58710 |
120 |
3900 |
143.0 |
4643 |
5 |
0.6 |
2.0 |
0.7 |
18684 |
38003 |
14448 |
11329 |
6496 |
27413 |
13302 |
56136 |
80 |
6188 |
57.0 |
4420 |
6 |
3.7 |
1.7 |
1.0 |
25049 |
36206 |
83503 |
44861 |
2708 |
6679 |
4621 |
11398 |
71 |
4185 |
68.0 |
3986 |
7 |
3.7 |
1.7 |
- |
16801 |
19185 |
135109 |
50924 |
1373 |
439 |
2341 |
749 |
- |
- |
- |
- |
| Total |
|
|
|
121098 |
157868 |
333350 |
144349 |
17969 |
98361 |
38382 |
183872 |
369 |
21481 |
32.6 |
17238 |
M.c. = Mystrops costarricenses
E.k = Elaeidobious kamerunicus
|