A review of Madagopsina Feijen, Feijen & Feijen (Diptera, Diopsidae) with description of a new species, key to the species, and discussion of intrageneric relationships

For the recently established genus Madagopsina (Diopsidae, stalk-eyed flies), Madagopsina makayensis Feijen, Feijen & Feijen, sp.nov.is described from Madagascar.A concise catalogue is given for the genus and an identification key is presented for its six species.The differential character states are listed for the two species groups of cub

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Determination of the basic concepts of migration processes in Ukraine from the perspective of modern realities

The article presents the results of the classification gradation of forced migration from the conflict zone in the Donbas (previously-the ATO zone, then-the zone of OOS).Forced migration is migration flows caused by threats to life and well-being due to natural, man-made or political (for example, wars and ethnic conflicts) causes.The article makes

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