Dactylosphaera vitifolii: n. lat. Aphid universally known as phylloxera (vastatrix). Coming by boat from North America where it lived on naturally resistant* vine species, this aphid wiped out almost all European vineyards from 1865 onwards. It caused a decline in viticulture for decades.
The biological cycle of this borer louse (another name for the aphid) is complex. Its different phases correspond to the evolution of genera...
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