. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. TURNIPS. — TURNIP APHIS. 177 ecfs'lnd'frf ^t^rT'^''? ° • *^^' ^''^""^^ «° ^« *« ^'^^ow out the eggs, ana in gardens cleariiv awav all the diflFfirfinf .•..;oU amongst ^hioh theyshoUc. Aso slZ^CM^n^l^^f, morning, aie woll-known remedies. "'^ j T
. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. TURNIPS. — TURNIP APHIS. 177 ecfs'lnd'frf ^t^rT'^''? ° • *^^' ^''^""^^ «° ^« *« ^'^^ow out the eggs, ana in gardens cleariiv awav all the diflFfirfinf .•..;oU amongst ^hioh theyshoUc. Aso slZ^CM^n^l^^f, morning, aie woll-known remedies. "'^ j TURNIPS. Turnip Aphis (Green Ply). Aphis rap., ;, Cnvtls lihaixilosiphuin dianthi, 1-4, Aphis Jloris-rapa; 6-8, A. rapa, nat. size and magnified. This Aphis is common in the summer on many kinds of plan s, and IS especially hurtful to Turnips, Swedes, and Potatoes It IS chiefly to be found on the under side of the leaves, but sometimes occurs in such numbers as to smother the plants; and the vast swarms of Green Fly which at times fill the air, as in the autumn of 1834 and in 1868, are believed to have been of this species. ^^cxieveu The Aphis is very variable in appearance; the wingless viviparous female is of some shade of green or yellow, but often of an ochreous-red in autumn; the winged viviparous female is for the most part black, with reddish yellow abdomen' N. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ormerod, Eleanor A. (Eleanor Anne), 1828-1901. London : Simpkin, Marshall, Hamilton, Kent
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License: Licensed
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
