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- ›Aphalara
Japanese Knotweed Psyllid
Aphalara itadori
Aphalara itadori, the Japanese knotweed psyllid, is a species of psyllid from Japan which feeds on Japanese knotweed (Reynoutria japonica).
The UK Government licensed the use of this species as a biological control to counter the spread of Japanese knotweed in England. This was the first time that a non-native species was approved for such use in the European Union.
From the article Aphalara itadori on Wikipedia (CC BY-SA), quoted section by section
Range & habitat
Knotweed species' native home range is Asia. They were introduced to North America and Europe in the 1800s. Knotweed was carried from Asia to be used as an ornamental. Since these introductions knotweed species have spread throughout North America, Canada and Europe to establish themselves as a noxious weed.
Wikipedia: “Distribution”
What it does
Aphalara itadori specializes in feeding on Japanese knotweed, Fallopia spp., giant knotweed, Bohemian knotweed and Himalayan knotweed—the hybrid of giant and Japanese knotweed.
Wikipedia: “Feeding”
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Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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Searching the stacks…
Every page naming Aphalara itadori in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 952216.