"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Roots of vine, showing…
"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Larva as it appears…
"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…
"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…
"Grape Gall-louse (Phylloxera vastatrix), the small figures showing natural sizes. Form of mature louse."…