Discriminant value D(7) and 1st factor of a principal component analysis. Data of 288 workers of the Normal morph (white dots) and 143 workers of the Rubens morph (black dots) of Formica exsecta.

  Part of: Seifert B (2019) The Rubens morph of Formica exsecta Nylander, 1846 and its separation from Formica fennica Seifert, 2000 (Hymenoptera, Formicidae). Deutsche Entomologische Zeitschrift 66(1): 55-61. https://doi.org/10.3897/dez.66.34868