Dodatkowe przykłady dopasowywane są do haseł w zautomatyzowany sposób - nie gwarantujemy ich poprawności.
Silver Y moths can produce two or three generations in a year with a fourth generation when conditions are particularly good.
The Silver Y moth also appears in large numbers in some years.
Autographa gamma (Silver Y)
The Scarce Silver Y (Syngrapha interrogationis) is a moth of the Noctuidae family.
In some years the clouded yellow, Camberwell beauty, painted lady or diamondback moth may be seen, and the silver Y can sometimes occur in huge numbers.
The Silver Y (Autographa gamma) is a migratory moth of the family Noctuidae which is named for the silvery Y-shaped mark on each of its forewings.
Another study, this time of the migratory behavior of the Silver Y, showed that even at high altitudes the species can correct its course with changing winds, and prefers flying with favourable winds, suggesting a great sense of direction.
The nationally scarce moth Flame Wainscot has bred at Titchwell since 1996; other Lepidoptera may include migrants such as the Painted Lady, the Diamondback Moth, and especially the Silver Y, which can occur in huge numbers; 90,000 were recorded on the reserve in July 2010, feeding on sea lavender.
Autographa gamma (Silver Y)
The larvae are parasitoids of the caterpillar larvae of the 'Silver Y' moth Autographa gamma and perhaps other species.
Sarah Brook Silver Y Autographa gamma Linnaeus Butterfly Conservation (retrieved 06/02/07)
The Silver Y (Autographa gamma) is a migratory moth of the family Noctuidae which is named for the silvery Y-shaped mark on each of its forewings.
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