Caught today at work, 3 to 4 inches long. What the hell is it?

<p class="MsoNormal" style="margin: 0cm 0cm 0pt"><font face="Times New Roman" size="3">(fishin)It looks to me like it&rsquo;s from the Ichneumon Flies group.</font></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt"><font face="Times New Roman" size="3">Rhyssa persuasoria,</font></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt"><font face="Times New Roman" size="3">Is it wooded where you work?</font></p><p class="MsoNormal" style="margin: 0cm 0cm 0pt"><font face="Times New Roman" size="3">It lays it&rsquo;s eggs on horntails for the development of its larvae.</font></p><font face="Times New Roman" size="3"><p class="MsoNormal" style="margin: 0cm 0cm 0pt">(doh)Sorry for repeating the others which are correct in their description.</p>

</p><p class="MsoNormal" style="margin: 0cm 0cm 0pt"></p></font>

<font face="Times New Roman" size="3" /></p>