Biology Reference
In-Depth Information
776
777
776
Scalloped hazel moth (
Odontopera bidentata
).
777
Female of winter moth (
Operophtera brumata
).
778
Odontopera bidentata
(Clerck) (
776
)
syn.
Gonodontis bidentata
(Clerck)
Scalloped hazel moth
The larvae of this polyphagous, widely distributed
species occur from June to October on various trees and
shrubs. They often attack cultivated plants, including
beech (
Fagus sylvatica
), birch (
Betula
), fir (
Abies
),
hawthorn (
Crataegus
), ivy (
Hedera
), larch (
Larix
) and
oak (
Quercus
), but are usually present only in small
numbers. Individuals (up to 50 mm long) are dark green
to greyish or purplish, with yellowish and light brown
lozenge-shaped marks down the back. When fully
grown, they pupate in the soil. The mainly light greyish-
brown adults (38-42 mm wingspan) appear in the
following April, May or June.
778
Male winter moth (
Operophtera brumata
).
Operophtera brumata
(Linnaeus) (
777-779
)
Winter moth
A generally common and often destructive pest of
ornamental trees and shrubs, including
Cotoneaster
,
crab-apple (
Malus
), dogwood (
Cornus
), elm (
Ulmus
),
flowering cherry (
Prunus
), hawthorn (
Crataegus
), hazel
(
Corylus
), hornbeam (
Carpinus betulus
), lilac
(
Syringa
), lime (
Tilia
), ornamental pear (
Pyrus
calleryana
'Chanticleer'),
Rhododendron
, rose (
Rosa
),
spruce (
Picea
), sycamore (
Acer pseudoplatanus
) and
willow (
Salix
); also an important pest in woodlands and
orchards. Widely distributed in central and northern
Europe.
779
DESCRIPTION
Adult female:
wings reduced to stubs; body 5-6 mm
long, dark brown, mottled with greyish yellow.
Adult
male:
22-28 mm wingspan; fore wings light greyish
brown, with darker wavy crosslines; hind wings light
grey.
Egg:
0.5
779
Larva of winter moth (
Operophtera brumata
).
×
0.4 mm; oval, with a pitted surface;
Search WWH ::
Custom Search