Appendix 4. Euglossine bees from the simultaneous census study of 1997-1998 (see Appendix 3) ranked "top 10" in abundance, in descending order: (a) within a single site (site 1, the long-term census site of Roubik and Ackerman 1987) on different census months, and (b) within the four combined sites on single census months.


Sample month
Rank
November
December
January
a) Rank within a single site (site 1 )
10
Eug. imperialis
Eug. imperialis
Eug. imperialis
9
Eug. bursigera
Eug. dissimula
Eug. dissimula
8
Eul.nigrita
Eul. cingulata
Eug. despecta
7
Eug. tridentata
Eug. cognata
Eug. tridentata
6
Eug. dressleri
Eug. bursigera
Eug. bursigera
5
Eug. sapphirina
Eul. meriana
Eul. cingulata
4
Eug. championi
Eug. tridentata
Eug. mixta
3
Eug. despecta
Eug. crassipunctata
Eug. crassipunctata
2
Eug. crassipunctata
Eul. nigrita
Eul. meriana
1
Eul. meriana
Eug. variabilis
Eug. cognata
b) Rank within four combined sites
10
Eug. imperialis
Eug. imperialis
Eug. imperialis
9
Eug. bursigera
Eug. dissimula
Eug. dissimula
8
Eul. nigrita
Eul. cingulata
Eug. despecta
7
Eug. tridentata
Eug. cognata
Eug. tridentata
6
Eug. dressleri
Eug. bursigera
Eug. bursigera
5
Eug. sapphirina
Eul. meriana
Eul. cingulata
4
Eug. championi
Eug. tridentata
Eug. mixta
3
Eug. despecta
Eug. crassipunctata
Eug. crassipunctata
2
Eug. crassipunctata
Eul. nigrita
Eul. meriana
1
Eul. meriana
Eug. variabilis
Eug. cognata

Eug. dissimula*
Eul. bombiformis*
Eul. bombiformis*

Euf. pulchra*
Euf. pulchra*
Eul. nigrita*

Exa. frontalis*
Eug. hemichlora*
Eug. dressleri*

Eug. cognata*
Eug. dressleri*
Eug. crassipunctata*

Eug. despecta*
Eug. sapphirina*


*Species that are within the top 10 at some sites.

   Note: Genera are abbreviated as Eug., Euglossa; Euf., Eufriesea; and Eul., Eulaema.