[Unusual case of mass emergence of gnats and their attack on people and animals in the Sumy region in 1968].
D004175:Diptera; D007299:Insect Bites and Stings; D007302:Insect Repellents; D007306:Insecticides; D012426:Russia
D007302:Insect Repellents; D007306:Insecticides
O neobychno massovom vyplode gnusa i napadenii ego na liudenĭ i zhivotnykh v Sumskoĭ oblasti v 1968 g.