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Vanessa cardui


Vanessa cardui
Photo Information
Copyright: Ungureanu Liviu (Apashu) Silver Note Writer [C: 5 W: 0 N: 50] (365)
Genre: Animals
Medium: Color
Date Taken: 2009-06-01
Categories: Insects
Exposure: f/8, 1/500 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2009-06-02 0:49
Viewed: 349
Points: 2
[Note Guidelines] Photographer's Note
The Painted Lady (Vanessa cardui) is a well-known colourful butterfly, sometimes known in North America as the Cosmopolitan. This butterfly has a strange pattern of flying in a sort of screw shape.

Distribution

It is one of the most widespread of all butterflies, found on every continent except Antarctica. In Australia, V. cardui has a limited range around Bunbury, Fremantle and Rottnest Island. However, its close relative, the Australian Painted Lady (Vanessa kershawi, sometimes considered a subspecies) ranges over half the continent. Other closely related species are the American Painted Lady (Vanessa virginiensis), and the West Coast Lady (Vanessa annabella).


Migration

The Painted Lady occurs in any temperate zone, including mountains in the tropics. The species is resident only in warmer areas, but migrates in spring, and sometimes again in autumn. For example, it migrates from North Africa and the Mediterranean to Britain in May and June, but offspring produced there die in the Autumn.


Relationship with humans

Painted Lady butterflies are raised in many pre-school classrooms to demonstrate the life cycle of a butterfly. Naturally, this is one reason they are so popular amongst children. They are also often found in science fair projects.


Life cycle

The egg takes 3 to 5 days to hatch. The caterpillar takes 7–11 days to turn into a chrysalis. It takes 7–11 days for the chrysalis to turn into a butterfly. It doesn't stay in one area so long. The painted lady butterfly travels around 1000 miles in its life. Its wing span is 2 in. The painted lady caterpillar is black with spiked skin.


The caterpillars feed on a wide variety of host plants of the families Asteraceae, especially Carduus crispus (as implied by the species name cardui – Latin for "of the thistles"). Also, Boraginaceae, Malvaceae (especially hollyhocks and dwarf mallow Malva neglecta), and a number of Fabaceae are eaten. The adults drink nectar from a variety of wildflowers and cultivars, more commonly the favored thistle, butterfly bush (Buddleja), asters, Tickseed sunflowers (Bidens) and zinnias.


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Critiques [Translate]

  • Great 
  • joska Gold Star Critiquer/Gold Note Writer [C: 400 W: 0 N: 985] (5340)
  • [2009-06-02 4:29]

Culori, detalii frumoase, pacat ca lipsesc bucati din aripa!
Numai bine,

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