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