Shape variation along the positive RW2 (a), negative RW1 (b), and positive RW1 (c) extremes for P. machinosus, P. repens, and P. securicola, respectively.

  Part of: Gushki RS, Lashkari M, Mirzaei S (2018) Identification, sexual dimorphism, and allometric effects of three psyllid species of the genus Psyllopsis by geometric morphometric analysis (Hemiptera, Liviidae). ZooKeys 737: 57-73.