[{"text_idx": "#000000", "text": "aphids 2-3 mm, reddish brown to almost blackish brown, each segment with a bright white transversal band of wax, interrupted only in the median line."}, {"text_idx": "#000001", "text": "Occasionally also E. montanum, palustre, parviflorum, roseum, tetragonum."}, {"text_idx": "#000003", "text": "Errata Plant Galls of Europe"}]