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Table 1. Breakdown of male and gyne size, weight, fat content, and manufacturing cost. Data are pooled from all colonies.
Head Width (mm)
Sex Avg. N St.Dev. Range
Female 3.25 122 0.1 2.99–3.47
Male 2.16 147 0.15 1.78–2.64
Proportion Fat (of total body weight)
Sex Avg. N St.Dev. Range
Female 0.37 122 0.05 0.17–0.61
Male 0.11 146 0.05 0.02–0.24
Dry Weight (mg)
Sex Avg. N St.Dev. Range
Female 25.63 122 4.92 10.6–35.7
Male 6.96 148 1.67 3.4–11.6
Manufacturing Energy (J)
Sex Avg. N St.Dev. Range
Female 683.02 122 147.81 241–997
Male 148.64 147 38.54 68–231
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