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  • Author: I. Literák x
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An adult Collyriclum faba was found in a cutaneous cyst at the base of the lower mandible in a blue-gray tanager (Thraupis episcopus, Thraupidae) examined in the Zona Protectora Las Tablas, Costa Rica on 18 August 2010. A total of 1878 birds belonging to 217 species were examined in the country during 2004, 2009, and 2010. C. faba was found for the first time in blue-gray tanager and for the first time in Costa Rica as well.


Mesocestoides litteratus (Batsch, 1786) (Cestoda: Cyclophyllidea: Mesocestoidae) is a common parasite of the red fox (Vulpes vulpes) and other carnivores across Europe. There has been considerable debate as to the validity of M. litteratus and other closely related, often sympatric species of Mesocestoides. We examine isolates of M. litteratus from red foxes in the Czech Republic, Slovakia and Spain both morphometrically and by characterization of 18S rDNA. Morphometric ranges of all isolates confirmed their identity as M. litteratus and were usually within the range published formerly. The sequences of 18S rDNA of one or two isolates from each country were analysed. The sequences were the same and distinct from all published Mesocestoides 18S sequences with the exception of tetrathyridia from a lizard in the Czech Republic, which was identical to those of M. litteratus.


One juvenile Red-backed shrike (Lanius collurio) with a cutaneous cyst of Collyriclum faba under its beak was observed in Israel on 13 October 2016. Another Red-backed shrike (adult female) with multiple cutaneous cysts around the vent was observed in Průhonice, Czech Republic on 19 June 2017. A third Red-backed shrike (adult male) with three cutaneous cysts around the vent was observed in Mariánské Radčice, Czech Republic on 16 July 2017. In the Israeli case, two adult trematodes C. faba were found in the cutaneous cyst. In the two Czech cases, C. faba was identified indirectly by analysing the cutaneous cyst morphology. C. faba had never been recorded previously in Israel.