Sawflies (Hymenoptera, Symphyta) / 
Edited by Matti Viitasaari. 
 -- Helsinki :   Tremex Press,   2002 
 - 516 p.  il. 
<br/><br/>Contiene : Vol. I : A review of the suborder, the western Palaeartic taxa of Xyloidea and Pamphilioidea 
<br/><br/>ISBN 952-5274-01-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Himenóptera<br/>Symphyta
<br/><br/><label>Universal Decimal Class. No.: </label>595.79