phylloxera

A small aphidlike insect (Daktulosphaira vitifoliae) that feeds on the roots of grapevines and sometimes forms galls on the leaves, causing severe damage to grape crops.

A genus of plant-lice or homopterous insects of the family Aphididæ and. subfamily Chermesinæ, usually of gall-making habits.

[lowercase] A member of this genus, especially the species just named, known as the grape-vine phylloxera and vine-pest, the worst enemy of the European or vinifera grape.

A genus of lepidopterous insects.

A small hemipterous insect (Phylloxera vastatrix) allied to the aphids. It attacks the roots and leaves of the grapevine, doing great damage, especially in Europe.