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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 )