Volume LII (II)
| Kovács, T., Theischinger, G., Horváth, R. & Juhász, P.: Odonata from Batanta (Indonesia, West Papua) with description of one new species. PDF/A published: 02.08.2021 | 119–139 |
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Szederjesi, T., Pavlíček, T. & Csuzdi, Cs.: Description of a new Eumenescolex species (Clitellata: Megadrili, Lumbricidae) with new data to the earthworm fauna of Corsica and Sardinia. PDF/A published: 02.08.2021 |
141–147 |
| Vinçon, G. & Ruffoni, A.: A new species of Nemoura (Plecoptera, Nemouridae) from the Abruzzo region (Central Italian Apennines). PDF/A published: 02.11.2021 | 149–163 |
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Sharma, B.K. & Sharma, S.: The composition and heterogeneity of the rich and diverse rotifers (Rotifera: Eurotatoria) of the floodplain lakes (beels) of the Majuli River Island, Assam State (Northeast India). PDF/A published: 03.12.2021 |
165–181 |
| Rahmani, Z., Rakhshani, E., Lotfalizdaeh, H., Mokhtari, A. & Mitroiu, M-D.: The subfamily Pteromalinae (Chalcidoidea: Pteromalidae) in South-Eastern Iran. PDF/A published: 15.12.2021 | 183–197 |