Table 4. Maximum flight duration versus queen morphology.

A. Quantile Regressions
		Intercept	Slope	p	Corr. p
Abdomen mass		6742.350	-1096.915	0.024	0.054
Log flight muscle ratio		11633.347	12015.789	0.031	0.054
Wing loading		8988.231	-30815.385	0.018	0.054
B. Ordinary Least Squares Regressions
	r2	Intercept	Slope	p	Corr. p
Abdomen mass	0.05	3202.1	-364.5	0.21	0.63
Log flight muscle ratio	0.02	4377	3405	0.41	0.68
Wing loading	0.03	3345	-7552	0.34	0.68
C. Spearman's Rank Correlations
			rs	p	Corr. p
Abdomen mass			-0.27	0.14	0.42
Log flight muscle ratio			0.22	0.22	0.42
Wing loading			-0.26	0.16	0.42

All regressions were performed on S. invicta (n = 32).

Quantile regressions are through the upper quartile.

Corr. p shows p values corrected for experimentwise error.