The Rhododendron Whitefly and Its Control |
Common terms and phrases
adult whiteflies ADULTS AND EGGS Agriculture PLATE areas average length californicum Christmas Cheer Circular 429 commercial nurseries crawler degree of infestation Department of Agriculture early as November Elegans First-instar larvae Further survey Gomer heavily infested host plants hybrid varieties immune imported from England infestation found infestation recorded insect insert their stylets INSTAR LARVAE larvae and pupae larvae pl leaf leaves just unfurling lightly infested Long Island maximum Medium heavy Medium light Native plants native rhododendrons nicotine sulphate observed ornamental value oviposition Pink Pearl plant sap population preferred host present Puget Sound section pupal reinfestation revealed the presence RHODODENDRON LEAVES rhododendron white rhododendron whitefly Roseum season Seattle second instar second-instar larvae SOOTY MOLD FUNGUS SPECIES AND HYBRID species and varieties spray stages Tennessee terminal leaves third-instar larvae tion U. S. Department upper surface Vancouver Wash Washington white wings whiteflies were found whitefly larvae WHITEFLY ON RHODODENDRON wild plants yellow