I
Annual Bee Variability of Bee Abundances

Family

Genus

Species

Annual Variability

Years

Reference

Apidae

Apis

1

5.04

10

Roubik and Wolda, 2001

Apidae

Centris

1

1.77

4

Roubik, 1989; unpublished data

Apidae

Centris

1

4.74

17

Roubik and Wolda, 2001

Apidae

Euglossini

6

1.77

2

Pearson and Dressler, 1985

Apidae

Euglossini

32

1.36

20

Roubik, 2001

Apidae

Meliponini

10

4.06

17

Roubik and Wolda, 2001

Colletidae

Ptiloglossa

1

2.45

17

Roubik and Wolda, 2001

Halictidae

Megalopta

2

2.15

17

Roubik and Wolda, 2001

Halictidae

Rhinetula

1

3.45

17

Roubik and Wolda, 2001

Megachilidae

Megachile

3

2.07

3

Frankie et al., 1998

Megachilidae

Osmia

1

2.46

2-3

Frankie et al., 1998

NOTE: Annual variability in bee abundance was determined from short- and long-term censuses in two tropical regions (Peru and Panama) and one temperate region (California).

SOURCE: Adapted from Roubik, 2001.



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Status of Pollinators in North America I Annual Bee Variability of Bee Abundances Family Genus Species Annual Variability Years Reference Apidae Apis 1 5.04 10 Roubik and Wolda, 2001 Apidae Centris 1 1.77 4 Roubik, 1989; unpublished data Apidae Centris 1 4.74 17 Roubik and Wolda, 2001 Apidae Euglossini 6 1.77 2 Pearson and Dressler, 1985 Apidae Euglossini 32 1.36 20 Roubik, 2001 Apidae Meliponini 10 4.06 17 Roubik and Wolda, 2001 Colletidae Ptiloglossa 1 2.45 17 Roubik and Wolda, 2001 Halictidae Megalopta 2 2.15 17 Roubik and Wolda, 2001 Halictidae Rhinetula 1 3.45 17 Roubik and Wolda, 2001 Megachilidae Megachile 3 2.07 3 Frankie et al., 1998 Megachilidae Osmia 1 2.46 2-3 Frankie et al., 1998 NOTE: Annual variability in bee abundance was determined from short- and long-term censuses in two tropical regions (Peru and Panama) and one temperate region (California). SOURCE: Adapted from Roubik, 2001.

OCR for page 307
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