Checklist of the tachinid flies (Diptera: Tachinidae) of the Republic of Mordovia (Russia) including state protected areas

An annotated checklist for the dipteran family Tachinidae of the Republic of Mordovia (Russia) is presented. This checklist is based on the material collected in 2016–2021. In total 228 species are recorded, two of which for the first time for both Europe and Russia, two for Europe, eleven for Russia and another eight for the European part of Russia. Special reference is made to the occurrence of Tachinidae in the two largest state protected areas of Mordovia. The tachinid fauna of the Republic of Mordovia reflects its zoogeographical position on the crossroads of Europe and Siberia, as well as on the crossroads of taiga and steppe.