Legacy of Phylloxera

Between 1863 and the end of the century, an aphid the size of a pinhead destroyed the majority of Europe’s vineyards — and the wine world we drink from today is the one that was rebuilt afterwards.

Phylloxera is the most consequential event in the history of wine. It killed the vines, then remade the map: which grapes are grown, how nearly every vine on earth is planted, which regions rose and which never recovered, and even why French wine law exists. This is the full story, and the hub for everything we cover about it.

The insect that arrived from America

Phylloxera (today classified as Daktulosphaira vitifoliae) is a tiny sap-sucking insect native to eastern North America. American wild grapevines evolved alongside it and tolerate it; the European wine grape, Vitis vinifera, had never met it. The insect feeds on vinifera roots, and the wounds it leaves open the way to rot that starves the vine. A mature vineyard could look healthy one season and be dying the next.¹²

It crossed the Atlantic in the mid-19th century on imported American vines — ironically, at a moment when European growers were enthusiastically collecting them. The first French vines began failing inexplicably in 1863, in the southern Rhône and the Gard.¹³

1868: naming the killer

For five years nobody knew what was killing the vines. The breakthrough came on 15 July 1868, when a three-man commission — Gaston Bazille, Jules-Émile Planchon and Félix Sahut — began work. The dying vines yielded nothing; the insects turned up only when they pulled up an apparently healthy vine beside the dead ones, which is precisely why the killer had gone unseen for five years. The commission first published it as Rhizaphis vastatrix; after Victor Signoret proposed reassigning it, Planchon published the name history remembers in September 1868: Phylloxera vastatrix — “the devastator.” → Full story: the botanist who named the devastator.³⁴

Identification was not the same as persuasion. Many growers insisted the insect was a symptom rather than a cause. Confirmation came from across the Atlantic: the British-born American entomologist Charles Valentine Riley, who knew the insect in its native range, corroborated Planchon’s theory and became his ally. → Full story: the American who helped save French wine. The country that had exported the plague also supplied the expertise to understand it.⁴⁵

The collapse

The numbers are brutal. French wine production fell from 84.5 million hectolitres in 1875 to 23.4 million in 1889 — a collapse of more than 70% in fourteen years. Between 1875 and 1900 France lost more than half of its vineyard area, and estimates for Europe as a whole run from two-thirds to nine-tenths of all vineyards destroyed.⁵⁶

This was not only an agricultural disaster. Wine was the livelihood of entire regions; villages emptied as growers emigrated, and the rural south was hollowed out. The vine had been a form of wealth that could not be moved, and it died in place.

The search for a cure

France threw everything at it. A government prize was offered for a remedy, and the commission waded through more than 700 proposed cures — flooding vineyards, burying live toads beneath the vines, injecting the soil with carbon bisulphide. Flooding and sulphur-carbon injection genuinely worked in places, but only where terrain and money allowed. None of it scaled.⁵⁶

The answer that did scale came from the two growers Leo Laliman and Gaston Bazille: if American vines survive the insect, graft the European vine onto American roots. Keep the vinifera fruit above ground; put resistant American wood below it.⁴

The graft that saved wine

From 1871 French growers began importing American vines and grafting in earnest, in what became known as the reconstitution — the replanting of a continent, vine by vine.⁴⁵ It was fiercely resisted. Purists argued that American roots would corrupt the taste of French wine; the debate split the industry for years before results settled it.

Grafting remains the solution today: roughly 80% of the world’s wine grapes grow on American or hybrid rootstock, a permanent living inheritance of the crisis. Rootstock choice later became a viticultural tool in its own right — a way to match vigour, drought tolerance and soil chemistry to a site. → Full story: why almost every wine grape grows on American roots.

The survivors: where phylloxera never reached

A few places escaped, and they are among the most fascinating vineyards on earth. Phylloxera cannot move through loose sand, so vines rooted in near-pure sand survived — most famously Colares in Portugal, whose appellation still requires ungrafted vines in coastal sand. Volcanic islands with little clay, above all Santorini, were likewise spared.⁷

Geography saved whole countries. Chile — walled off by the Atacama, the Andes and the Pacific — remains largely phylloxera-free, and most Chilean vines still grow on their own roots. South Australia, Western Australia and Tasmania have never had it at all; the Barossa holds some of the world’s oldest producing vines, including Henschke’s Hill of Grace shiraz, planted around 1860 — older than the crisis itself. → Full story: the ungrafted vines that survived the plague.⁷⁸

The aftermath: fraud, revolt, and the birth of appellations

Scarcity bred fraud. With real wine in short supply, the market filled with fakes: wine stretched with sugar and water, “wine” made from raisins or second pressings, and cheap imports — much of it Algerian — sold under the names of Burgundy and other prestige appellations.⁹¹⁰ Honest growers found themselves undercut by counterfeits of their own regions.

The pressure broke in the Midi. The Languedoc winegrowers’ revolt of 1907 brought hundreds of thousands into the streets and briefly raised the spectre of civil conflict. The state’s long answer was to guarantee origin: the system conceived in the aftermath became the appellation d’origine contrôlée, established in 1935, with the first six appellations decreed on 15 May 1936 — Arbois, Cassis, Châteauneuf-du-Pape, Cognac, Monbazillac and Tavel.¹⁰¹¹ The modern architecture of French wine law is, in a real sense, phylloxera’s legacy. → Full story: how phylloxera created the AOC.

Phylloxera today

The insect was never eradicated; it was out-engineered. It still lives across most of the world’s wine regions, held in check by resistant rootstock — which means the defence has to be maintained. Where growers have gambled on insufficiently resistant roots, phylloxera has returned and forced replanting at enormous cost. → Full story: when phylloxera came back in 1980s Napa. Quarantine matters too: uninfected regions such as South Australia enforce strict controls to keep it out.²⁸

This day in wine history

• 15 July 1868 — Félix Sahut finds phylloxera on the roots of dying vines; Planchon names the insect that year.
• 15 May 1936 — France decrees its first six appellations d’origine contrôlée, the system born of the post-phylloxera fraud crisis.

Read more

• All our phylloxera coverage
• The Languedoc wine revolt of 1907
• Turning points in wine history
• The history of wine: a complete timeline
• Napa Valley wine history

References

1. Phylloxera — biology, native range, and vinifera susceptibility (corroborated).
2. Wine-Searcher, “The Complete Guide to Phylloxera”; Wine Enthusiast, “Meet Wine’s Worst Enemy, Phylloxera.”
3. First detection at Pujaut (Gard), 1863; Félix Sahut’s find of 15 July 1868 (corroborated).
4. Great French Wine Blight — Planchon’s identification, Riley’s confirmation, Laliman and Bazille’s grafting proposal, grafting from 1871.
5. Smithsonian Magazine, “American Bugs Almost Wiped Out France’s Wine Industry.”
6. Production figures 84.5M hl (1875) to 23.4M hl (1889); more than half of French vineyard area lost between 1875 and 1900 (corroborated).
7. WineWiki, “Pre-Phylloxera Ungrafted Vines: Santorini, Colares” and “Own-Rooted / Ungrafted Vines.”
8. Wine-Searcher, “The Wild World of Ungrafted Vines” (Chile, Australia, Barossa old vines).
9. iDealwine, “Phylloxera — destruction and revitalisation” (post-crisis adulteration and imports).
10. Wine Enthusiast, “The Surprisingly Short History of French Wine Classification.”
11. INAO, “France’s first six appellations d’origine contrôlée” (decree of 15 May 1936).

Want to read more? Try these books

Phylloxera Christy Campbell

Wine Grapes Robinson, Harding & Vouillamoz

The Story of Wine Hugh Johnson

As an Amazon Associate, This Day in Wine History earns from qualifying purchases. Some links on this page are affiliate links.