Ripka, G., and I. Sánchez. “A New Aceria Species (Acari: Eriophyidae) from Spain on Pycnocomon rutifolium (Dipsacaceae) and Supplementary Descriptions of Aceria eucricotes and A. kuko from Lycium Spp. (Solanaceae)”. Zootaxa, vol. 4244, no. 2, Mar. 2017, pp. 195–206, doi:10.11646/zootaxa.4244.2.2.