Roney, J. N <br/><br/>
Clover seed chalcids infest alfalfa seed  / 
by J. N. Roney and George D. Butler 
 - Tucson, Arizona  :   Agricultural Extension Service 
 - 1 hoja desplegable 
 - Arizona Agri. Ext. Ser. Folder; 74 .
<br/><br/><label>LCCN: </label>203506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bruchophagus funebris  Trébol -- Plagas  Alfalfa -- Plagas