Figure 6

Cuticular hydrocarbon (CHC) profiles of Synoeca surinama . (A) Representative chromatograms of whole-body extracts for main female types. For compound numbering and identification see Additional file 6: Table S1. (B) CHC profiles of newly emerged females (NE), queens (Q) and workers (>4 days since eclosion) (W) from colonies 4–8 (mean % ± SD). Discriminant analyses were performed for queens vs. workers (w/out PCA: Global Wilks’ λ =0.01489; F_16,145 = 599.68; p < 0.001; w/ PCA: Global Wilks’ λ = 0.03855; F_11,150 = 340.06; p < 0.001), and newly emerged females vs. pooled queens + workers (w/out PCA: Global Wilks’ λ = 0.00148; F_34,334 = 245.96; P < 0.001; w/ PCA: Global Wilks’ λ = 0.15546; F_15,170 = 61.570; p < 0.001). White and black stars indicate the main contributors of separation prior to and following PCA, respectively. “X” denotes a compound removed based on the PCA analysis. (C) Canonical scatterplot based on a discriminatory analysis for all three groups.