Trichodinid Ectoparasites (Ciliophora: Peritrichia) of Non-native Pumpkinseed (Lepomis gibbosus) in Europe Author Yuryshynets, Volodymyr Author Ondračková, Markéta Author Kvach, Yuriy Author Masson, Gérard text Acta Protozoologica 2019 58 2 69 79 http://dx.doi.org/10.4467/16890027ap.19.009.11418 journal article 10.4467/16890027AP.19.009.11418 1689-0027 12637405 8D46274A-BAC2-4C84-BA2C-4F7074F579F2 Trichodina lepomi n. sp. urn:lsid:zoobank.org:act: 0A8BFCCF-DB2A-4C1D- AC45-35C7DBAE84FD Medium trichodinids (40.2–55.0 µm) identified as T. lepomi were observed on the fins of several pumpkinseed from two localities: Koenigsmacker pond in France ( Figs. 3A, B ) and the private pond near Třeboň in the Czech Republic (Figs. 5C, D). Several differences in denticle morphology compared with other trichodinids according to the criteria of Van As and Basson (1989) , suggest that the ciliates represent new ciliate species. The observed morphological differences reflect host-induced intraspecific variability. A more detailed comparative diagnosis of this form follows.