00713nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082002000076100002000096245009400116260008500210300001500295440001500310500004600325650010700371710004100478Para_8163CHAP220125s1908    xx            000 0 und d  a207075  cCHAP  aPA-C 595.752 A6  aWashburn, F. L.  aThe so-called green bug and other grain aphids in Minnesota in 1907  /c by F.L. Washburn  aRamsey County, Minn :b University of Minnesota. Agricultural Experiment Station  a257-280 p.  aAphidae; 1  aEncuadernado con otros impresos similares  ax Afididos x Colecciones de escritos x Macrosiphum granaria x Coccus viridis x Toxoptera graminum  aMinnesota. Agr. Exp. Sta. Bull.; 108