. Annual report. Entomological Society of Ontario; Insect pests; Insects. THE REPORT OF THE [19 The Scurfy Bark Louse (Chionaspis furfurus) is another scale which is too preva- lent in many localities (Fig. 17). It can be treated in the same way as the Oyster-Shell Bark Louse. The Woolly Aphis (Schizoneura lanigera) This insect is readily re- cognized by its woolly. Fig. 18. covering (Fig. 18). It can be readily treated with applications of kero- sene emulsion or tobac- co water. It infests apple Please note that these images are extracted from scanned page images that may have been di
. Annual report. Entomological Society of Ontario; Insect pests; Insects. THE REPORT OF THE [19 The Scurfy Bark Louse (Chionaspis furfurus) is another scale which is too preva- lent in many localities (Fig. 17). It can be treated in the same way as the Oyster-Shell Bark Louse. The Woolly Aphis (Schizoneura lanigera) This insect is readily re- cognized by its woolly. Fig. 18. covering (Fig. 18). It can be readily treated with applications of kero- sene emulsion or tobac- co water. It infests apple 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 Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society
Size: 1438px × 1738px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsects, bookyear1872
