Drymonia querna
White Tie- tooth Spinner ( Drymonia querna )
The White Tie- tooth Spinner ( Drymonia querna ) is a butterfly (moth ) from the family of the tooth Spinner ( Notodontidae ).
- 4.1 food of the caterpillars
- 4.2 Hazards and Protection
- 5.1 Notes and references
Features
Imago
The moths reach a wingspan of 38-44 millimeters. You have colored in different shades of gray and brown wings. The forewings missing at the inner edge of the typical for most dental Spinner species distinct scales tooth. The middle of the forewing is lightened more or less whitish in the form of a binding and thereby distinguishes the moth from similar types Dark gray tooth Spinner ( Drymonia ruficornis ) Schwarzeck - tooth Spinner ( Drymonia obliterata ) and Southern Dental Spinner ( Drymonia velitaris ). From the very similar unspotted tooth Spinner ( Drymonia Dodonaea ), the white -banded tooth Spinner differs by a straight inner transverse line of the front wings, making the midfield is not constricted inward. The hind wings are solid white gray to light brown. The palps are short, stunted the trunk. The antennae of the males are combed twice to tip, those of the female simple. The head is thick and long, the abdomen short hair.
Egg
The egg is hemispherical and green in color.
Caterpillar
The caterpillars are green with numerous small bright spots and a white side stripes, lined with wide blue-green to reddish narrow at the top and down. The head is strongly colored green.
Doll
The doll is colored black and has four short Enddornen the cremaster.
Similar Species
- Dark gray tooth Spinner ( Drymonia ruficornis )
- Ungefleckter tooth Spinner ( Drymonia Dodonaea )
- Schwarzeck - tooth Spinner ( Drymonia obliterata )
- Southern Dental Spinner ( Drymonia velitaris )
Occurrence
The species is widespread in Central Europe, but regional basis and rarely missing in the higher mountain areas. She lives in different habitats, such as in mixed forests, oak groves and warm slopes and backrest.
Way of life
The nocturnal moths fly mainly in a generation in June and July and climatically favorable areas in a second generation in late summer. Visit artificial light sources, often after midnight. The females lay eggs on the undersides of leaves. The caterpillar lives mainly from July to September and pupates in a loose cocoon on the ground. Hibernation takes place as a doll. This is more than occasionally.
Food of the caterpillars
The caterpillars feed preferentially from the leaves of oak (Quercus ).
Threats and conservation
The species occurs in Germany, depending on the region in a very different number on is not resident as rare, but is not considered in acute danger.