The winged female woolly aphid (Schizoneura lanigera), a species of plant lice of the Eriostoma family.
"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."…
"Resin-gnat (Diplosis resinicola). a, adult female; b, wing of same; c, cross-section of antenna…
"The 'leaf bug' (Dicyphus minimus): a, newly hatched; b, second stage; c, nymph; d, adult; e, head and…