Figure 53 in A taxonomic revision of the ants of the Cardiocondyla wroughtonii group (Hymenoptera: Formicidae) with a checklist of the Cardiocondyla species of the world

Figure 53. Principal component analysis of 84 nest samples of Cardiocondyla wroughtonii and C. obscurior based on 7 morphometric characters taken in 205 worker individuals. The arrow points to the sample determined as C. obscurior by a wild-card LDA with p = 0.9456 which, however, showed a pigmentation typical for C. wroughtonii. The mean error of the four exploratory data analyses relative to the controlling LDA (final.sp.hyp) is 1.8%.