Since last week, I have been receiving samples with “red” aphids to get the identification. It turned out that this time, most of these ‘reddish’ aphids were identified as the lettuce aphid, Nasonovia ribis-nigri (Fig. 1). To me, they look more red-orange; however, their distinct black marks on the abdomen and short cauda (finger-like, short appendage at the end of …