CHIKHLYAEV IV, RUCHIN AB, FAYZULIN AI. Short communication: An overview of the trematodes fauna of pool frog Pelophylax lessonae (Camerano, 1882) in the Volga Basin, Russia: 2. Larval stages. Nusantara Biosci. 2019;11(1):106-111. doi:10.13057/nusbiosci/n110118