Technical BulletinU.S. Department of Agriculture, 1949 - Agriculture |
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Common terms and phrases
adults released Arlington Arlington Township average black locust brevicornis cages Campoplex alkae Chelonus annulipes cocoons collections colonization colony sites common locust corn borer larvae corn borer parasites decay resistance Erie Erie Township Eulophus Eulophus viridulus Europe European corn borer Exeristes roborator factors females FIELD STATUS FIGURE Flowerfield frass Hartford heartwood Hibernation Horogenes punctorius host eggs host larvae Hymenoptera hyperparasites illus inches indicated infested initial establishment instar Jerusalem Township laboratory Lake States area larvaevorid larviposit liberated Lucas County Lydella stabulans grisescens Macrocentrus gifuensis Malden Malden Township Mass material Medford Method of parasitization Microbracon Microgaster tibialis Middlesex County Monroe mortality observed obtained Ohio Orient oviposition parasite larvae Phaeogenes nigridens pith Preferred host stage Pseudoperichaeta pupae puparia Pyrausta nubilalis reared recovered release points roborator roseanae samples sapwood Saugus sections shipments shipped small number Southold species storage strains Suffolk survey tion Total United vicinity weight loss Zaleptopygus flavo-orbitalis