01674nam 2200445 a 450 991070209410332120120807155440.0(CKB)5470000002423183(OCoLC)805222811(EXLCZ)99547000000242318320120807d1974 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierBiology and taxonomy of nematode parasites and associates of bark beetles in the United States[electronic resource] /by Calvin L. MasseyWashington, D.C. :Forest Service, U.S. Dept. of Agriculture,1974.1 online resource (v, 233 pages) illustrationsAgriculture handbook ; no. 446Title from title screen (viewed on Aug. 7, 2012).Includes bibliographical references (pages 223-228).Insect nematodesUnited StatesBark beetlesBiological controlUnited StatesNematodes as biological pest control agentsUnited StatesBeetlesParasitesInsectsParasitesInsect nematodesBark beetlesBiological controlNematodes as biological pest control agentsBeetlesParasites.InsectsParasites.Massey C. L1412689United States.Forest Service.GPOGPOBOOK9910702094103321Biology and taxonomy of nematode parasites and associates of bark beetles in the United States3507015UNINA