Gossard, H. A. <br/><br/>
The catalpa midge Cecidomyia catalpae comstock  / 
H. A. Gossard 
 - Wooster, Ohio  :   Agricultural Experiment Station 
 - 13 p. 
<br/><br/> Encuadernado con: The hessian fly in Ohio/C. E. Thorne 
<br/><br/><label>LCCN: </label>203406 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Control de plagas  Cecidomyia catalpac
<br/><br/><label>Dewey Class. No.: </label>PA-C 632.9 T4