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Western White


Western White
Photo Information
Copyright: Subhayan Mandal (shabsslg) (115)
Genre: Places
Medium: Color
Date Taken: 2008-04-20
Categories: Nature, Macro
Camera: Sony Cybershot DSC-H2, Carl-Zeiss Vario-Tesser 12X Optical Zoom
Exposure: f/3.5, 1/200 seconds
More Photo Info: [view]
Photo Version: Original Version
Date Submitted: 2008-04-20 10:20
Viewed: 408
Points: 4
[Note Guidelines] Photographer's Note
Western White (Pontia occidentalis [Reakirt])

Wing span: 1 1/2 - 2 1/8 inches (3.8 - 5.3 cm).

Identification: Upperside of forewing has marginal markings that are lighter than the submarginal stripe. Below, forewing tip and hindwing have veins outlined with gray-green. Short-day spring and fall forms have more prominent markings.

Life history: Males patrol hilltops and ridges for receptive females. Females lay eggs singly on host plants. Caterpillars will feed on leaves but prefer buds, flowers, and fruits. Chrysalids hibernate.

Flight: One flight from June-July in far north; two flights from May-August in the south.

Caterpillar hosts: Flowers and fruits of various members of the mustard (Brassicaceae) family.

Adult food: Flower nectar.

Habitat: Mountain peaks, slopes, hilltops, railroad yards, open plains, roadsides.

Range: Alaska south to central California, northern Arizona and northern New Mexico; east to North Dakota and central Ontario.

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Critiques [Translate]

  • Great 
  • Parisi (727)
  • [2008-04-20 10:22]

Very nice macro capture. Right on. Not easy subjects to photograph because of there constant moving. Congratulations.

ecxellent photgraph colours are very well captured

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