Dotted Border
Grey Yellow Wide wings tensioner ( Agriopis marginaria ) ♂
The Grey Yellow serotine tensioner ( Agriopis marginaria ) is a butterfly (moth ) from the family of the tensioner ( Geometridae ).
- 2.1 Flight times and caterpillars
- 4.1 Notes and references
Features
The male moths reach a wingspan of 27 to 32 millimeters. The forewings of the males are pollinated reddish yellow and more or less densely brownish. Before the wing center there are two dark transverse lines, which are often unclear, and may occasionally be missing. Behind the wing center follows a gray transverse line, which is strongly bent at the front edge to the outside and is accompanied in Saumnähe of a more or less broad transverse fascia. The Saumfeld is usually dark and with a faint, partial patch-like, whitish wavy line.
The females are flightless and have only short yellowish gray stub wings and reach a size of only ten to 14 millimeters. The hind wings are longer than the front wing. Both stub wings have a drawing made of black horizontal lines. The females usually be found resting on the trunks and branches of forage plants, the wings form here along with the body an acute triangle.
The caterpillars reach a length of up to 29 millimeters and are colored variable. The body color ranges from a dull yellow to olive green, red-brown to purple brown. The black marking on the back is partially X -shaped. Above the white stigmas, a dark line is occasionally formed. The tracked head is brown.
The eggs are oval and light green.
Similar Species
- Orange Yellow Wide blades clamps ( Agriopis aurantiaria ) ( Hübner, 1799)
- Big winter moth ( Erannis defoliaria ) ( Clerck, 1759)
Subspecies
- Agriopis marginaria marginaria
- Agriopis marginaria pallidata
Synonyms
- Erannis marginaria Fabricius, 1776
- Hibernia marginaria Borkhausen
- Hibernia marginaria Borkhausen
- Laerannis marginaria Fabricius
Occurrence
The Grey Yellow serotine tensioner is distributed from the Iberian Peninsula over Central Europe to the Urals. In the south it is found in the Mediterranean and Black Sea region. Its distribution extends to the Caucasus and in the north to Fennoscandia. The species is found in deciduous forests, groves, riparian forests, orchards and gardens.
Flight times and caterpillars
The Grey Yellow Wide wing clamp forms a generation in which flies from late February to mid-May. The caterpillars can be encountered by May to June.
Way of life
The oval and pale green eggs are laid by the females in the vicinity of buds, the caterpillars hatch with the foliation. They live polyphagous on various species of deciduous woody plants as well as shrubs and hedges.
- Break - white willow (Salix x rubens )
- Goat Willow (Salix caprea )
- Silver birch (Betula pendula)
- English oak (Quercus robur)
- European beech (Fagus sylvatica)
- Red oak (Quercus rubra)
- Cultivated apple (Malus domestica)
- True Whitebeam (Sorbus aria)
- Hawthorn (Crataegus spp.)
- Dog rose (Rosa canina )
- Blue Green Rose (Rosa vosagiaca )
- Plum (Prunus domestica)
- Blackthorn (Prunus spinosa)
- Lime (Tilia spp.)
- Sea Buckthorn ( Hippophae rhamnoides )
- Blueberry (Vaccinium myrtillus)
- Red Honeysuckle ( Lonicera xyloteum )
Pupation takes place just below the surface at the foot of the tree. The pupa overwinters.
Pales pavida ( Meigen, 1824), a representative of the family Tachinidae ( Tachinidae ) parasitizing among other things, to the caterpillars of the Grey Yellow serotine tensioner.