00582nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100002100076245013300097260004600230300001000276440004400286650004400330700003800374Para_4426CHAP220125s1949    xx            000 0 und d  a202927  cCHAP  aSpencer, Herbert  aUse of the parasite Trichogramma minutum for controlling pecan insects  /c Herbert Spencer, Luther Brown and Arthur M. Phillips  aWashington  :b Department of Agriculture  a17 p.  aEUA. Dept. of Agriculture Circular; 818  aTrichogramma minutum  Control de plagas  aBrown, Luther. Phillips, Arthur M