vetch aphid
... that the vetch aphid only produces winged aphids after three generations?
... that the <b id="mwCPk"><a href="./Megoura_viciae" id="mwCPo" rel="mw:WikiLink" title="Megoura viciae">vetch aphid</a></b> <i id="mwCPs">(pictured)</i> only produces winged aphids after three generations?