Spencer, Herbert <br/><br/>
Use of the parasite Trichogramma minutum for controlling pecan insects  / 
Herbert Spencer, Luther Brown and Arthur M. Phillips 
 - Washington  :   Department of Agriculture 
 - 17 p. 
 - EUA. Dept. of Agriculture Circular; 818 .
<br/><br/><label>LCCN: </label>202927 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trichogramma minutum  Control de plagas