Occurrence of the rose-grain aphid (Metopolophium dirhodum Walk.) on saltspray rose (Rosa rugosa) was studied in Eastern Poland. First fundatrix of the M. dirhodum on the R. rugosa were recorded in the end of March. The rose-grain aphid population development was observed on primary host during the May. Its maximum reached the peak density until the meadle of May. At the third decade of May numerous alatae were formed and spring migration of the aphid to the summer hosts began.