Green Oak Tortrix - Tortrix viridana


Wingspan 18-23 mm. A very distinctive species as this is the only green 'Tortrix' in the British Isles.

Similar Species

Earias clorana is similar but rests with its wings higher a more 'tent like' posture.

Identification difficulty

Well wooded areas, particularly deciduous woodland and other areas where Oak is present in numbers.

When to see it

Flying during May through to early July from dusk onwards, it can also be found resting in sunshine.

Life History

Inhabiting Oak woodland, it can become a pest. Although Oak is the main food plant, other deciduous trees are also used, the larvae feeding in a rolled-up or folded leaf. These abundant larvae sometimes completely defoliate trees.

UK Status

It is common to very common in many parts of Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

VC55 Status

Common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)

49.059 BF1033

be our species champion

Leicestershire & Rutland Map


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

UK Map