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Table 2 Genetic colony structure of the five B. wilmattae colonies.

From: Workers dominate male production in the neotropical bumblebee Bombus wilmattae (Hymenoptera: Apidae)

Colonies

collecting date

N w /N m

m obs *

n w

n m

n pw +nde

p Ae

C1

14 Dec 2005

75/67

2

24

24

4 + 0.09

0.125

C2

04 Dec 2008

314/243

1

23

24

7 + 0.74

0.031

C3

10 Dec 2005

345/470

1

24

22

6 + 0.18

0.250

C4

23 Nov 2005

52/120

2

22

21

6 + 0.49

0.250

C5

19 Nov 2005

141/145

1

23

24

7 + 0.26

0.063

  1. The collecting date of the analyzed colonies, number of workers (N w ) and males (N m ) recorded either after the death of the queen (C1 and C3-5) or directly after excavating and dissecting (C2), number of observed matings (m obs ) [*[19]], number of genotyped workers (n W ) and males (n m ), estimated number of workers producing own male offspring (n pw ) corrected for the non-detection error (nde) based on a Poisson distribution and probability of assigning worker offspring as queen offspring (p Ae )