R. Pérez-Fernández and N. Rodríguez, “Comparative morphology of the egg chorion of the Lysandra coridon (Poda, 1761) group taxa in the Iberian Peninsula. Contributions to its identity and geographical distribution (Lepidoptera: Lycaenidae)”, SHILAP Revta. lepid., vol. 47, no. 187, pp. 389–407, Sep. 2019.