蚕豆
"E. ictericus" lives in damp situations, on "Carex comosa", "Iris versicolor", "Nymphaea odorata", "Saururus cernuus", willows, "Carduus horridulum", "Heracleum maximum", "Cuscuta", "Glycine max", "Vicia faba", "Verbascum thapsus", "Juncus", "Perillus frutescens", "polygonum densiflorum" and "Persicaria punctata". It is attacked by "Euthera tentatrix", "Beskia aelops" and "Cylindromyia euchenor" (Tachinidae) and by the eastern meadowlark, "Sturnella magna". "E. ictericus" is not commercially important as a pest.