. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Plate C. 1. Spiny Witch-Hazel Gall. {Hormaphis spbiosuK.) 2. Witch-Hazel'Cone Gall. (Hormaphh hamarnelidis.) 3. Cottonwood Petiole Gall. {Pemphigus popidicaiilis.) 4. Hickory Cone Gall. (PJn/lh xera caryae-fallax.) 5. Cockscomb Gall on Elm. (( olopha ulmicoln.) 6. Bass wood Mite Gall. {Eriophyes abnormis.) [ix. ]. 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 perfe

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. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Plate C. 1. Spiny Witch-Hazel Gall. {Hormaphis spbiosuK.) 2. Witch-Hazel'Cone Gall. (Hormaphh hamarnelidis.) 3. Cottonwood Petiole Gall. {Pemphigus popidicaiilis.) 4. Hickory Cone Gall. (PJn/lh xera caryae-fallax.) 5. Cockscomb Gall on Elm. (( olopha ulmicoln.) 6. Bass wood Mite Gall. {Eriophyes abnormis.) [ix. ]. 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

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872