]> http://www.ent.iastate.edu/pest/cornborer/taxonomy/term/17/0 All immature stages of the European corn borer are attacked by natural enemies that contribute to reducing its densities. en http://www.ent.iastate.edu/pest/cornborer/node/151 <a href="node/151"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig32-151.thumbnail.jpg" width="149" height="101" alt="Cocoons of Macrocentrus grandii" title="Cocoons of Macrocentrus grandii" /></span> </a><p> Cocoons of <em>Macrocentrus grandii</em> that have formed and are nearly covering the remains of a European corn borer larva (S. Udayagiri). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:59:04 -0500 http://www.ent.iastate.edu/pest/cornborer/node/150 <a href="node/150"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig30-150.thumbnail.jpg" width="150" height="102" alt="Eriborus terebrans female" title="Eriborus terebrans female" /></span> </a><p> <em>Eriborus terebrans</em> female, a parasite of European corn borer larvae in the north central region of the United States (D. A. Landis). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:55:16 -0500 http://www.ent.iastate.edu/pest/cornborer/node/147 <a href="node/147"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig31-147.thumbnail.jpg" width="150" height="102" alt="A Macrocentrus grandii female" title="A Macrocentrus grandii female" /></span> </a><p> A <em>Macrocentrus grandii</em> female preparing to insert an egg into a European corn borer larva (S. Udayagiri). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:53 -0500 http://www.ent.iastate.edu/pest/cornborer/node/143 <a href="node/143"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig28-143.thumbnail.jpg" width="150" height="103" alt="Lydella thompsoni adult fly" title="Lydella thompsoni adult fly" /></span> </a><p> <em>Lydella thompsoni</em> adult fly, which parasitizes European corn borer (R. G. Weber). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:39 -0500 http://www.ent.iastate.edu/pest/cornborer/node/144 <a href="node/144"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig35-144.thumbnail.jpg" width="150" height="102" alt="Beauvaria bassiana, a pathogenic fungus" title="Beauvaria bassiana, a pathogenic fungus" /></span> </a><p> Dead larva of a European corn borer that was killed by <em>Beauvaria bassiana</em>, a pathogenic fungus (M. E. Rice). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:37 -0500 http://www.ent.iastate.edu/pest/cornborer/node/142 <a href="node/142"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig26-142.thumbnail.jpg" width="150" height="102" alt="Lady beetle larva" title="Lady beetle larva" /></span> </a><p> Lady beetle larva, a predator of European corn borer eggs (M. E. Rice). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:33 -0500 http://www.ent.iastate.edu/pest/cornborer/node/148 <a href="node/148"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig29-148.thumbnail.jpg" width="150" height="102" alt="Lydella thompsoni puparium" title="Lydella thompsoni puparium" /></span> </a><p><em>Lydella thompsoni</em> puparium next to the cadaver of a fifth instar European corn borer in potato (C. E. Mason).</p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:30 -0500 http://www.ent.iastate.edu/pest/cornborer/node/145 <a href="node/145"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig34-145.thumbnail.jpg" width="150" height="102" alt="Egg mass parasitized by a Trichogramma nubilale wasp" title="Egg mass parasitized by a Trichogramma nubilale wasp" /></span> </a><p> Egg mass of European corn borer being parasitized by a tiny <em>Trichogramma nubilale</em> wasp (C. E. Mason). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:29 -0500 http://www.ent.iastate.edu/pest/cornborer/node/141 <a href="node/141"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig25-141.thumbnail.jpg" width="150" height="102" alt="Adult lady beetle" title="Adult lady beetle" /></span> </a><p> Adult lady beetle, <em>Coleomegilla maculata</em> (M. E. Rice). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:11 -0500 http://www.ent.iastate.edu/pest/cornborer/node/146 <a href="node/146"><span class="image thumbnail"><img src="http://www.ent.iastate.edu/pest/cornborer/files/images//fig33-146.thumbnail.jpg" width="150" height="102" alt="Egg parasitism" title="Egg parasitism" /></span> </a><p> European corn borer egg mass much darker than the <a href="node/7">blackhead stage</a> typical of egg parasitism by a tiny <em>Trichogramma</em> species (C. E. Mason). </p> Biological Agents European Corn Borer Thu, 24 Jun 2004 13:13:03 -0500