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valerian psyllid
Trioza centranthi
Trioza centranthi is a sap-sucking hemipteran bug in the family Triozidae which creates galls on the leaves and flowers of Centranthus and Valerianella species. It was first described by Jean Nicolas Vallot, a French entomologist in 1829 and is found in Europe.
From the article Trioza centranthi on Wikipedia (CC BY-SA), quoted section by section
Description
The leaf at the tip of the shoot is broader than normal and the edges of the leaf are swollen and turned upwards. The flowers can also be affected and are a tangled leafy mass (phyllanthy). Plants galled include Centranthus angustifolius, C. calcitrapa, red valerian (C. ruber), Fedia cornucopiae, Valerianella carinata, V. coronata, V. dentata, common cornsalad (V. locusta) and V. rimosa.
Wikipedia: “Description of the gall”
Range & habitat
Trioza centranthi is found in Europe from Great Britain and France in the west to Ukraine in the east.
== References ==
Wikipedia: “Distribution”
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Every page naming Trioza centranthi 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 706328.