Trioza centranthi

Alternative names
Valerian Psyllid
Description

Adult length 2.5 to 3.0 mm. Whilst the adults can be very difficult to identify without detailed examination, the reddish larval leaf roll galls on Valerian are quite distinctive.

Identification difficulty

Gall Adult

Habitat

Wherever Valerian, the larval foodplant occurs.

When to see it

Adult all year.

Life History

Nymphs form distinctive leaf-roll galls on Red Valerian (Centranthus ruber), but also feed on Valerianella. Adults overwinter on evergreens.

UK Status

T. centranthi is a historically rare and scattered species that may be increasing in recent years, primarily found near the south coast of England but possibly moving further north.

VC55 Status

Until recently, rare or under recorded in Leicestershire and Rutland. The Broughton Astley record of 25th October 2016 is believed to be the first for VC55.  The species appears to be extending its range and is now frequently recorded in our area.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Species group:
Bugs
Kingdom:
Animalia
Order:
Hemiptera
Family:
Triozidae
Records on NatureSpot:
80
First record:
25/10/2016 (Calow, Graham)
Last record:
02/01/2024 (Graves, Hazel)

Total records by month

% of records within its species group

10km squares with records

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