Table 1.

Generalized squared distances between colony means (centroids) calculated by discriminant analysis of cuticular hydrocarbons of Linepithema humile queens from source colonies used in the queen adoption assay extracted by solvent or sampled using a non-destructive method

Colony pairSolvent extraction (12 variables)Non-destructive sampling (13 variables)
CHH–COC 129.03 136.47 
CHH–FOR 85.48 68.86 
CHH–RTP 13.23 29.09 
COC–FOR 30.16 69.85 
COC–RTP 155.67 95.56 
FOR–RTP 100.46 70.62 
Colony pairSolvent extraction (12 variables)Non-destructive sampling (13 variables)
CHH–COC 129.03 136.47 
CHH–FOR 85.48 68.86 
CHH–RTP 13.23 29.09 
COC–FOR 30.16 69.85 
COC–RTP 155.67 95.56 
FOR–RTP 100.46 70.62 
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