Ypresiosirex orthosemos
... that the extinct sawfly Ypresiosirex orthosemos was named for the unique corrugation of its wings?
... that the extinct sawfly <i id="mwAvg"><b id="mwAvk"><a href="./Ypresiosirex" id="mwAvo" rel="mw:WikiLink" title="Ypresiosirex">Ypresiosirex orthosemos</a></b></i> was named for the unique corrugation of its wings?