Rohwer, S. A.  1887-1951 <br/><br/>
Technical papers on miscellaneous forest insects.  IV.  Studies in the sawfly genus Hoplocampa. 
By S.A. Rohwer ... 
 - Washington,  Govt. print. off.,  1911. 
 - iv p., p. 139-148 incl. map.  pl. XXIII-XXVI.  23 cm. 
<br/><br/><label>LCCN: </label>agr11000851  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hoplocampa.
<br/><br/><label>LC Class. No.: </label>SB823  / .A31 no. 20, pt. IV