. 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. PART III. FRUIT CROPS AND INSECTS THAT INJURE THEM. APPLE. American Blight (Woolly Aphis). Sehizuneura lanii/era, Woolly Aphis; infested Apple-spray, nat. size; wingless viviparous female and young clothed with cottony fibres above, and small egg-bearing
. 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. PART III. FRUIT CROPS AND INSECTS THAT INJURE THEM. APPLE. American Blight (Woolly Aphis). Sehizuneura lanii/era, Woolly Aphis; infested Apple-spray, nat. size; wingless viviparous female and young clothed with cottony fibres above, and small egg-bearing female beneath the spray; pupa with little cottony growth; all magnified.* The attack of the Apple-bark Plant-louse, or Woolly Aphis, commonly known as American Blight, may be easily detected by the woolly or cottony growth on the insects, giving the • The above figures are acknowledged, with thanks, as after 1 and 3, Plate CV., and 2 andjj, Plate CVI., in 'Brit. Aphides,' vol. iii., by G. B. Buckton, The Si2e of the wiiigluss viviparous female is given (p. 8'J of same volume) as X millemetres, that is, something under a twelfth of an inch in length by rather less in breadth. |i, '. 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
Size: 1956px × 1277px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
