Lachnus roboris - John Curtis <i>British Entomology</i> (1824-1840) Folio 576<i>Cinara roboris</i> synonym of <i>Lachnus roboris</i> the Clouded-winged Oak Aphis. The plant is <i>Trifolium arvense</i> (Hare's-foot Trefoil). © John Curtis - Public domain - Wikimedia Commons