The silver hole [1] , or the crested bird-bucephalus [1] ( lat. Phalera bucephala ) is a moth from the family of the Crested Bird .
| Silver hole | ||||||||||||||
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| Phalera bucephala Linnaeus , 1758 |
Content
Description
The wingspan is about 50–60 mm, the length of the front wing is 27–28 mm. The female is usually slightly larger than the male. The front wings are silver-gray in color with a large rounded yellow spot bordered by a double dark stripe. Hind wings white-yellow with brown veins. The chest and the first segment of the abdomen are densely covered with hairs. The abdomen is silver-brown-yellow, with dark spots on each side. Antennae short-feathery in male, finely bristle-shaped in female. At rest with folded wings, the butterfly looks like a broken off knot.
Area
Europe , in the north to the Arctic Circle. Siberia , the Far East .
Habitats
Flooded forests , mixed forests, along water bodies, rivers, streams, parks, dry heathlands.
Flight time
May, the beginning of June - July, August. At night, willingly flies into the light.
Reproduction
Egg
The female lays eggs in groups of 10-125 pieces, on the underside of the leaves of forage plants. After 10-15 days, caterpillars that live in groups appear.
Caterpillar
Caterpillar is up to 60 mm long, brown in color, with 10 intermittent yellow longitudinal stripes and yellow transverse rings on each segment. The body is covered with short thin gray hairs.
The caterpillars are polyphagous, they feed mainly on leaves of oak , poplar , birch , beech , willow , alder and hazel , and often feed on leaves of fruit trees and shrubs. They live in groups. Starting from the fourth age, the caterpillars crawl away and devour the leaves, and entirely, leaving only the central vein. The caterpillar stage is from July to August. In August, the caterpillars leave the forage plant, buried in the soil, where they pupate.
Pupa
The pupa is dark brown. Pupae overwinter without cocoon in the soil at a depth of 3-4 cm. Under adverse conditions, the pupa falls into a state of diapause , and its development is delayed by 1-2 years.
Egg laying
Group of tracks
Imago
Notes
- 2 1 2 Striganova B. R. , Zakharov A. A. The five-language dictionary of animal names: Insects (Latin-Russian-English-German-French) /Ed. Dr. Biol. sciences, prof. B. R. Striganova . - M .: RUSSO, 2000. - p. 235. - 1060 copies. - ISBN 5-88721-162-8 .