Table 2. Fire ant queen flight morphology.

A. Individual averages
	Solenopsis geminata		Solenopsis invicta
	Claustral	Parasitic	Claustral	Parasitic
n	13	38	58	33
Head width (mm)	1.60 (0.058)	1.56 (0.076)	1.41 (0.075)	1.39 (0.062)
Dry mass (mg)	7.751 (0.95)	4.101 (0.35)	7.242 (0.95)	4.690 (0.75)
Abdomen mass (mg)	5.652 (0.93)	2.453 (0.24)	5.331 (0.91)	2.745 (0.67)
Flight muscle ratio	0.13 (0.018)	0.19 (0.009)	0.15 (0.024)	0.24 (0.035)
Wing loading (mg/mm2)	0.230 (0.029)	0.141 (0.010)	0.268 (0.034)	0.173 (0.028)
Forewing length (mm)	7.19 (0.14)	6.66 (0.10)	6.48 (0.10)	6.57 (0.12)
Total wing area (mm2)	33.7 (1.1)	29.1 (0.9)	27.0 (0.9)	27.6 (1.0)
Aspect ratio	6.14 (0.19)	6.11 (0.10)	6.23 (0.15)	6.24 (0.17)
Wing mass density (mg/mm2)	0.0042 (0.002)	0.0050 (0.0006)	0.0047 (0.001)	0.0059 (0.001)
Abdomen drag (mm2)	4.82 (0.46)	3.66 (0.42)	4.76 (0.60)	3.58 (0.56)
B. Colony averages
	Solenopsis geminata		Solenopsis invicta
	Claustral	Parasitic	Claustral	Parasitic
n	3	5	4	6
Head width (mm)	1.58 (0.071)	1.59 (0.090)	1.44 (0.054)	1.37 (0.063)
Dry mass (mg)	7.957 (0.51)	4.022 (0.36)	7.504 (0.55)	4.642 (0.80)
Abdomen mass (mg)	5.856 (0.46)	2.342 (0.24)	5.555 (0.50)	2.672 (0.74)
Flight muscle ratio	0.13 (0.005)	0.19 (0.006)	0.14 (0.0008)	0.24 (0.039)
Wing loading (mg/mm2)	0.239 (0.018)	0.136 (0.010)	0.274 (0.013)	0.168 (0.034)
Forewing length (mm)	7.12 (0.14)	6.69 (0.11)	6.49 (0.057)	6.58 (0.082)
Total wing area (mm2)	33.4 (1.0)	29.5 (1.2)	27.3 (0.77)	27.9 (1.1)
Aspect ratio	6.08 (0.17)	6.08 (0.055)	6.19 (0.11)	6.20 (0.16)
Wing mass density (mg/mm2)	0.0043 (0.001)	0.0051 (0.0002)	0.0050 (0.001)	0.0058 (0.001)
Abdomen drag (mm2)	4.93 (0.30)	3.42 (0.37)	4.91 (0.35)	3.44 (0.65)

Values are means, parentheses show standard deviations.