A Preliminary Account of the Raspberry Aphids |
Contents
Introduction | 3 |
Aphids recorded on Rubus in Europe | 9 |
Resistance of the Herbert raspberry to Amphorophora rubi Kaltenbach | 17 |
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Common terms and phrases
adults and nymphs Adults Nymphs Adults alate male altho America Aphis rubicola Amphorophora rubi Kalt Amphorophora rubi Kaltenbach Amphorophora rubicola Oestlund Amphorophora sensoriata Mason Aphis rubicola Oestlund black raspberry blackberry bramble fruits Buckton bushes canes Cerosipha rubifolii Thomas cornicles Davidson dewberry dislodged distributed in North Europe Macrosiphum feeding on Rubus food plant GENUS Geum urbanum Golden Queen Herbert raspberry horticultural varieties host plant Howard Lake INDIVIDUAL CAGES July 30 large numbers Latham leaves Macrosiphum ambrosiae Thomas Macrosiphum rubifolium Theobald maintain its population Mason Amphorophora Minnesota movement of wingless North America Amphorophora North America Aphis Northern dewberry Nymphs Adults Nymphs oviparous Pemphigus population on Herbert RECORDED ON RUBUS rubi ON THREE Rubus discolor Rubus fruticosus Rubus idaeus Rubus occidentalis Rubus parviflorus Rubus sp Salmonberry sensoria specimens Synonomy and Host Table VIII taken Thimbleberry virus diseases viviparous females widely distributed wild red raspberry Wilson and Vickery Winged forms wingless forms writer