Primer registro de Tremex fuscicornis (Hymenoptera: Siricidae) para la Argentina en una plantación de álamos en Buenos Aires

 ABSTRACT. The presence of the woodwasp Tremex fuscicornis Fabricius (Hymenoptera: Siricidae) was detected in a poplar plantation in Buenos Aires. This is the fi rst record of the species in Argentina. Morphological and biological aspects of the woodwasp are described.